Added filter by role and favicon

Added tests for current_user show/edit. Fixed avatars folder removal

Fixed role on current user's page
Added filter by role and favicon

Added tests for current_user show/edit. Fixed avatars folder removal

Fixed role on current user's page

:x
:x
small fixes
Merge branch 'feature_filter_by_role'
Mergin old branches to master
Merge branch 'master' of https://github.com/KPI-ASOIU/AcDP
Mergin with remote
Uploading documents and creating folders
Merged and fixed