Merge pull request #282 from kotp/patch-1

Avoid the responsibility of global settings

.gitignore

@@ -1,11 +1,9 @@
-.DS_Store
-.md~
+# This gitignore file is for this projects concerns.
+# Please set swap files and system folder files for your operating system and
+# editors to be ignored in
+# the 'global ignore file'.
+# See: http://git-scm.com/book/en/v2/Customizing-Git-Git-Configuration
+#    : search for "global .gitignore"
 
-# Local Ruby gems #
-.gem/
-
-# JetBrains #
-.idea/
-
-# Linux #
-*~
+# bundler specific
+.gem