Merge pull request #49 from apple1417/master #116

Job	Run time
clang-format	11s
build-windows (clang-ue3-x86-release)	2m 50s
clang-tidy (clang-ue3-x86-release)	7m 52s
build-windows (clang-ue4-x64-release)	2m 42s
build-ubuntu (clang-cross-ue3-x86-release)	1m 24s
spelling	4s
build-windows (msvc-ue3-x86-release)	2m 13s
clang-tidy (clang-ue4-x64-release)	7m 42s
build-ubuntu (clang-cross-ue4-x64-release)	1m 19s
build-windows (msvc-ue4-x64-release)	1m 42s
build-ubuntu (llvm-mingw-ue3-x86-release)	41s
build-ubuntu (llvm-mingw-ue4-x64-release)	34s
build-ubuntu (mingw-ue3-x86-release)	1m 47s
build-ubuntu (mingw-ue4-x64-release)	1m 21s
	32m 22s

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