[issue-333] Return `icon` key
[issue-333] Display gravatar
Add common selec2 style for searching indicator
Order user results by display_name
Phrasing change for author & roles field description
Merge pull request #337 from x-team/issue-333

Issue 333: Show user Gravatars in Exclude Authors & Roles field
Make date interval styles common for all Stream screens
Fixing item count in table footer for tablet/mobile
Make disabled select2 item styles apply to all Stream screens
Merge branch 'develop' into issue-313