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v2: get rid of outdated code in tri introduced by rebase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/mem.h b/icd/intel/mem.h
index 47639b2..f81468c 100644
--- a/icd/intel/mem.h
+++ b/icd/intel/mem.h
@@ -1,5 +1,5 @@
 /*
- * XGL
+ * Vulkan
  *
  * Copyright (C) 2014 LunarG, Inc.
  *
@@ -36,23 +36,23 @@
     struct intel_base base;
 
     struct intel_bo *bo;
-    XGL_GPU_SIZE size;
+    VK_GPU_SIZE size;
 };
 
-XGL_RESULT intel_mem_alloc(struct intel_dev *dev,
-                           const XGL_MEMORY_ALLOC_INFO *info,
+VK_RESULT intel_mem_alloc(struct intel_dev *dev,
+                           const VK_MEMORY_ALLOC_INFO *info,
                            struct intel_mem **mem_ret);
 void intel_mem_free(struct intel_mem *mem);
 
-XGL_RESULT intel_mem_import_userptr(struct intel_dev *dev,
+VK_RESULT intel_mem_import_userptr(struct intel_dev *dev,
                                     const void *userptr,
                                     size_t size,
                                     struct intel_mem **mem_ret);
 
-XGL_RESULT intel_mem_set_priority(struct intel_mem *mem,
-                                  XGL_MEMORY_PRIORITY priority);
+VK_RESULT intel_mem_set_priority(struct intel_mem *mem,
+                                  VK_MEMORY_PRIORITY priority);
 
-static inline void *intel_mem_map(struct intel_mem *mem, XGL_FLAGS flags)
+static inline void *intel_mem_map(struct intel_mem *mem, VK_FLAGS flags)
 {
     return intel_bo_map_async(mem->bo);
 }
@@ -72,7 +72,7 @@
     return intel_bo_is_busy(mem->bo);
 }
 
-static inline struct intel_mem *intel_mem(XGL_GPU_MEMORY mem)
+static inline struct intel_mem *intel_mem(VK_GPU_MEMORY mem)
 {
     return (struct intel_mem *) mem;
 }