Diffing in collection - #32
Refactor
Diff fix - #32
Merge branch 'master' into timeline-change

Conflicts:
	static/assets/js/codebrowser-min.js
	static/assets/js/codebrowser-templates-min.js
	static/assets/js/codebrowser-templates.js
	static/assets/js/codebrowser.js
More fixes
Endless fixing
Callback for returning diffs
Fixes
It works!
Change
Refactor
Refactor
Get existing diff from a collection
Count how many lines were changed / overall lines
Bug fix
Snapshots in timeline scale by the amount of differences - #32
Bug fix
Unnecessary variables
Refactor
Add labels on snapshots in timeline indicating the amount of change