Merge pull request #485 from HuKeping/fix-git-archive

Remove unnecessary files in release tarball

.gitattributes

 *  					text=auto
-/tests/inputs/*	text eol=lf
\ No newline at end of file
+/tests/inputs/*	text eol=lf
+
+.gitattributes          export-ignore
+.gitignore              export-ignore
+.github                 export-ignore
+.editorconfig           export-ignore
+.travis.yml             export-ignore