Style and Doc fix for CommonOptionsParser
    
- Renaming GetCompilations() and GetSourcePathList() to follow LLVM
  style.
- Updating docs to reflect name change.
- Also updating help text to not mention clang-check since this class
  can be used by any tool.

Reviewed By: Alexander Kornienko


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170229 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Tooling/CommonOptionsParser.cpp b/lib/Tooling/CommonOptionsParser.cpp
index 15091c7..99aff9f 100644
--- a/lib/Tooling/CommonOptionsParser.cpp
+++ b/lib/Tooling/CommonOptionsParser.cpp
@@ -38,8 +38,8 @@
     "\tFor example, it can be a CMake build directory in which a file named\n"
     "\tcompile_commands.json exists (use -DCMAKE_EXPORT_COMPILE_COMMANDS=ON\n"
     "\tCMake option to get this output). When no build path is specified,\n"
-    "\tclang-check will attempt to locate it automatically using all parent\n"
-    "\tpaths of the first input file. See:\n"
+    "\ta search for compile_commands.json will be attempted through all\n"
+    "\tparent paths of the first input file . See:\n"
     "\thttp://clang.llvm.org/docs/HowToSetupToolingForLLVM.html for an\n"
     "\texample of setting up Clang Tooling on a source tree.\n"
     "\n"