Merge remote-tracking branch 'origin/master' into fetch_utc_commits
Merge remote-tracking branch 'origin/master' into fetch_utc_commits
Merge remote-tracking branch 'origin/master' into fetch_utc_commits
Adding data for graphs
remove references to insertions and deletions, those fields have been removed

Merge remote-tracking branch 'origin/master' into fetch_utc_commits

Conflicts:
	app/views/repositories/show.html.erb
fix methods related to creating tuple array for the view
remove references to insertions and deletions
remove references to insertions and deletions
Remove unnecessary untitled concern
Merge pull request #113 from alexung/tuple_array

Tuple array