Added transition to alter group view.
Added removing people from group and changing owner.
Added adding new people to groups.
Added removing group
A little bit more logging and tests
EN-241: Lists for department (Review: Rafał Cymerys)
Merged in feature/alteringGroupsFromAdmin (pull request #123)

EN-230 EN-233 Altering groups in admin
EN-245: view of listing enrollments layout improvement (Review: Rafał Cymerys)
Merged in bug/pending-state (pull request #126)

EN-245: view of listing enrollments layout improvement (Review: Rafał Cymerys)
EN-282: Last and first occurrence date have is now taken into account while calculating collisions (Review: Piotr Turek)
EN-241: Lists for department - cleaning after review (Review: Rafał Cymerys)
tests fix
Merge branch 'feature/collisions-based-on-first-last-occurence' into feature/assigned-to-term-preferences
EN-286: Not exporting preferences of person that have assigned term in particular subject
EN-286: Decreasing capacity
EN-286: negative capacities fix
delete test on Piotrek request
Merge branch 'master' of https://bitbucket.org/partyks/enrollme
Merged in feature/department-export (pull request #124)

EN-241: Lists for department (Review: Rafał Cymerys)
Merge branches 'feature/assigned-to-term-preferences' and 'master' of https://bitbucket.org/partyks/enrollme into feature/assigned-to-term-preferences