Merge pull request #1396 from polamjag/ignore-vendor-bundle-on-ruby

ignore /vendor/bundle on Ruby.gitignore

Ruby.gitignore

@@ -22,6 +22,7 @@ build/
 
 ## Environment normalisation:
 /.bundle/
+/vendor/bundle
 /lib/bundler/man/
 
 # for a library or gem, you might want to ignore these files since the code is