[PATCH] Refactor: Move google clang-tidy checks to namespace clang::tidy::google

[Richard]

================
Comment at: clang-tidy/google/GlobalNamesInHeadersCheck.cpp:20
@@ -19,3 +19,3 @@
 namespace tidy {
-namespace readability {
+namespace google {
 
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I will fix this.

================
Comment at: clang-tidy/google/GlobalNamesInHeadersCheck.h:17
@@ -16,3 +16,3 @@
 namespace tidy {
-namespace readability {
+namespace google {
 
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Looks like I missed one.  On it.

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Comment at: clang-tidy/google/GoogleTidyModule.cpp:89-90
@@ -84,4 +88,4 @@
 // Register the GoogleTidyModule using this statically initialized variable.
-static ClangTidyModuleRegistry::Add<GoogleModule> X("google-module",
-                                                    "Adds Google lint checks.");
+static ClangTidyModuleRegistry::Add<google::GoogleModule>
+    X("google-module", "Adds Google lint checks.");
 
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This will be moved into namespace `google`

http://reviews.llvm.org/D7994

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