gh-158 : disable specialization in management

- From the managment screen the user is able to disable a specialization
if there are no active employments 
- Disabled specializations are not offered from the corresponding
suggester.
gh-156: added new permission SEARCH_RANK_INFO
Merge branch 'gh-158' into next
added sql script ADEIES_MAKROXRONIES
Release v1.4.1
Merge tag 'v1.4.1'

Release v1.4.1