LB-869 :
On chained blogs beside the original user name also show his avatar
LB-1086 	  Hide automatically created users (by SMS, chained blogs and user comments) from user management list.

Conflicts:
	plugins/livedesk/livedesk/api/comment.py
	plugins/livedesk/livedesk/impl/blog.py
LB-1086 	  Hide automatically created users (by SMS, chained blogs and user comments) from user management list.