Fix document picker display in Chrome and IE.
Add block to list Rbs_Media_File documents.
Misc fixes:
- Rbs_Media_File update
- RichText anchor links rendering in Twig
- InitializeBloc dev command messages
Update code comments.
Add an input-group-addon-select class to handle select in input group addons.
Visual improvements in document inline edition.
Merge pull request #1033 from intportg/dev

Add block to list Rbs_Media_File documents + fixes