EN-283 * added enableGlobalPreferencesField to EnrollConfiguration
* added checkbox to set this field in basic conf. of enrollment
* implemented changeset adding this field to the db schema and updating old enrolls
[EN-299] term edit dialog scrolls (when needed)
EN-283 * fixed changeset
EN-283 * added enableGlobalPreferences to schedule properties
* setting enableGlobalPreferences while creating schedule
[EN-298][EN-210] timezone ste to UTC across application
Merged in feature/turn-off-global (pull request #133)

EN-283
Merged in dates_once_again (pull request #134)

[EN-298][EN-210] timezone ste to UTC across application
EN-243 * added method to remove all points of a term, to the points service
* added method to remove all drafts of a term, to the drafts service
* removing points and drafts of a term, which is about to be removed
Merged in feature/term-delete-points (pull request #135)

EN-243 (review: Michał Żmuda)