message: Activate clang again for linux.
diff: @@ -89,7 +89,7 @@ const KITS_BY_PLATFORM: {[osName: string]: KitEnvironment[]} = {
  ['Visual Studio 2017 Preview']: DEFAULT_WINDOWS_KITS,
  ['Visual Studio 2015']: DEFAULT_WINDOWS_KITS,
  ['linux']: [
  - // {defaultKit: 'Clang', expectedDefaultGenerator: 'Unix Makefiles'},
  + {defaultKit: 'Clang', expectedDefaultGenerator: 'Unix Makefiles'},
  {defaultKit: 'GCC', expectedDefaultGenerator: 'Unix Makefiles'}
  ],
  ['darwin']: [
  