Stage 1 of rename

TODO: re-enable glave build, advance API for glave

v2: get rid of outdated code in tri introduced by rebase
    rename wsi_null.c (olv)
diff --git a/icd/intel/compiler/shader/compiler_interface.cpp b/icd/intel/compiler/shader/compiler_interface.cpp
index 6f100db..be72740 100644
--- a/icd/intel/compiler/shader/compiler_interface.cpp
+++ b/icd/intel/compiler/shader/compiler_interface.cpp
@@ -1,5 +1,5 @@
 /*
- * XGL
+ * Vulkan
  *
  * Copyright (C) 2014 LunarG, Inc.
  *
@@ -229,7 +229,7 @@
    ctx->Const.MaxVertexStreams = 1;
 
    /* GL 3.2  */
-   ctx->Const.ProfileMask = (ctx->API == API_OPENGL_CORE || ctx->API == API_XGL)
+   ctx->Const.ProfileMask = (ctx->API == API_OPENGL_CORE || ctx->API == API_VK)
                           ? GL_CONTEXT_CORE_PROFILE_BIT
                           : GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;
 
@@ -285,7 +285,7 @@
 {
    memset(ctx, 0, sizeof(*ctx));
 
-   ctx->API = API_XGL;
+   ctx->API = API_VK;
 
    ctx->Extensions.dummy_false = false;
    ctx->Extensions.dummy_true = true;
@@ -381,10 +381,10 @@
         shader->Source = (const char *) code + sizeof(header);
 
         switch(header.gen_magic) {
-        case XGL_SHADER_STAGE_VERTEX:
+        case VK_SHADER_STAGE_VERTEX:
             shader->Type = GL_VERTEX_SHADER;
             break;
-        case XGL_SHADER_STAGE_FRAGMENT:
+        case VK_SHADER_STAGE_FRAGMENT:
             shader->Type = GL_FRAGMENT_SHADER;
             break;
         default:
@@ -449,7 +449,7 @@
 
     assert(shader_program->NumShaders == 1);
 
-    // for XGL, we are independently compiling and linking individual
+    // for VK, we are independently compiling and linking individual
     // shaders, which matches this frontend's concept of SSO
     shader_program->SeparateShader = true;
 
diff --git a/icd/intel/compiler/shader/compiler_interface.h b/icd/intel/compiler/shader/compiler_interface.h
index 09f5b4f..f318639 100644
--- a/icd/intel/compiler/shader/compiler_interface.h
+++ b/icd/intel/compiler/shader/compiler_interface.h
@@ -1,5 +1,5 @@
 /*
- * XGL
+ * Vulkan
  *
  * Copyright (C) 2014 LunarG, Inc.
  *
diff --git a/icd/intel/compiler/shader/glcpp/README b/icd/intel/compiler/shader/glcpp/README
index 0637935..77797dd 100644
--- a/icd/intel/compiler/shader/glcpp/README
+++ b/icd/intel/compiler/shader/glcpp/README
@@ -27,4 +27,4 @@
 -----------------
 A file that ends with a function-like macro name as the last
 non-whitespace token will result in a parse error, (where it should be
-passed through as is).
\ No newline at end of file
+passed through as is).
diff --git a/icd/intel/compiler/shader/glcpp/tests/glcpp-test b/icd/intel/compiler/shader/glcpp/tests/glcpp-test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/glsl_parser_extras.cpp b/icd/intel/compiler/shader/glsl_parser_extras.cpp
index f0850af..2177dba 100644
--- a/icd/intel/compiler/shader/glsl_parser_extras.cpp
+++ b/icd/intel/compiler/shader/glsl_parser_extras.cpp
@@ -362,7 +362,7 @@
       case API_OPENGLES2:
 	 this->language_version = 100;
 	 break;
-      case API_XGL:
+      case API_VK:
          break;
       }
    }
diff --git a/icd/intel/compiler/shader/link_uniforms.cpp b/icd/intel/compiler/shader/link_uniforms.cpp
index 2c06052..eae87ab 100644
--- a/icd/intel/compiler/shader/link_uniforms.cpp
+++ b/icd/intel/compiler/shader/link_uniforms.cpp
@@ -608,7 +608,7 @@
     */
    unsigned shader_shadow_samplers;
 
-   bool isXGL;
+   bool isVK;
 };
 
 /**
diff --git a/icd/intel/compiler/shader/main.cpp b/icd/intel/compiler/shader/main.cpp
index 8076dac..9fae962 100644
--- a/icd/intel/compiler/shader/main.cpp
+++ b/icd/intel/compiler/shader/main.cpp
@@ -434,7 +434,7 @@
    if ((status == EXIT_SUCCESS) && do_link)  {
       assert(whole_program->NumShaders == 1);
 
-      // for XGL, we are independently compiling and linking individual
+      // for VK, we are independently compiling and linking individual
       // shaders, which matches this frontend's concept of SSO
       whole_program->SeparateShader = true;
 
diff --git a/icd/intel/compiler/shader/opt_dead_builtin_varyings.cpp b/icd/intel/compiler/shader/opt_dead_builtin_varyings.cpp
index 2af8c37..824261b 100644
--- a/icd/intel/compiler/shader/opt_dead_builtin_varyings.cpp
+++ b/icd/intel/compiler/shader/opt_dead_builtin_varyings.cpp
@@ -521,7 +521,7 @@
     * GLES2, because they are not available there.
     */
    if (ctx->API == API_OPENGL_CORE ||
-       ctx->API == API_XGL ||
+       ctx->API == API_VK ||
        ctx->API == API_OPENGLES2) {
       return;
    }
diff --git a/icd/intel/compiler/shader/standalone_scaffolding.cpp b/icd/intel/compiler/shader/standalone_scaffolding.cpp
index 043fb79..55788a6 100644
--- a/icd/intel/compiler/shader/standalone_scaffolding.cpp
+++ b/icd/intel/compiler/shader/standalone_scaffolding.cpp
@@ -86,7 +86,7 @@
       shader->Type = type;
       shader->Stage = _mesa_shader_enum_to_shader_stage(type);
       shader->Name = name;
-      // LunarG: XGL does not use reference counts
+      // LunarG: VK does not use reference counts
 //      shader->RefCount = 1;
    }
    return shader;
diff --git a/icd/intel/compiler/shader/tests/compare_ir b/icd/intel/compiler/shader/tests/compare_ir
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_1.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_1.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_2.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_2.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_3.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_3.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_4.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_4.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_5.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_5.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_6.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_breaks_6.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_guarded_conditional_break.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_guarded_conditional_break.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_pulled_out_jump.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_pulled_out_jump.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_1.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_1.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_2.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_2.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_3.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_3.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_4.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_4.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_main_false.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_main_false.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_main_true.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_main_true.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_sub_false.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_sub_false.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_sub_true.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_returns_sub_true.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/lower_unified_returns.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/lower_unified_returns.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/remove_continue_at_end_of_loop.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/remove_continue_at_end_of_loop.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_nothing.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_nothing.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_return.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_return.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_return_and_break.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_non_void_at_end_of_loop_lower_return_and_break.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_nothing.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_nothing.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_return.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_return.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_return_and_break.opt_test b/icd/intel/compiler/shader/tests/lower_jumps/return_void_at_end_of_loop_lower_return_and_break.opt_test
old mode 100755
new mode 100644
diff --git a/icd/intel/compiler/shader/tests/optimization-test b/icd/intel/compiler/shader/tests/optimization-test
old mode 100755
new mode 100644