Created source modal files (Ctrl + template)
Updated underscore.js version to 1.7.0
Moved source list style from topic.contribute to bootstrap.modals
Removed unused code from ContributeCtrl & topic.contribute template
Typo in individual.py comment
Added loading control for field sources
Added ngFormDecorator to enable dynamic field validation (ng-name like)
Added dynamic error handling + improved form design & behavior
Improved a bit focusOn directive to be faultless
Improved a bit focusOn directive to be without console.log (MUCH IMPROVEMENTZ :dog2:)
Improved add-source modal behavior & simplified template code + improved field focus