[SD-1188] Selected facets were disappearing when search within is used
SD-885 creation of a new user role with repeating role name
fix(authoring): Removed abstract word count.

SD-965
fixed role name validation and user email validation
[SD-1212] Change slugline to keywords
Merge pull request #544 from mugurrus/devel

SD-885 creation of a new user role with repeating role name
Merge pull request #606 from eozan/authoring-word-count-fix

fix(authoring): Removed abstract word count.
Merge pull request #607 from ioanpocol/devel

SD-1154 : Replace the thumbnail for the Activity Stream