Ignore Visual Studio generated temporary files.

.gitignore

@@ -31,6 +31,11 @@ src/generator/generator
 *.ilk
 *.manifest
 *.tmp
+*.cache
+*.force
+*DesignTime*
+*TemporaryGeneratedFile*
+*FileListAbsolute*
 /build/scripts/llvm*
 /build/scripts/.vagrant
 /build/vs2012