Add very basic data provider list scaffolding
Merge remote-tracking branch 'origin/data-sources-config' into scaffold-data-source-config

Conflicts:
	modules/UshahidiUI/media/js/app/controllers/Controller.js
Rearrange data sources views

DataSourcesView -> settings/DataProviderConfig
Pass dummy model to the view
Change routes: sources -> settings/data-providers/smssync