fixes work package status translations
Fixes spec
Adds specs
Removes selection of default activities
Restores default selection
Reverted pushing ruby to 2.1 on travis for consistency
Implemented treating assignees and responsibles differently so there
are no (non-functional) group responsibles anymore
Adds additional specs
Differs between activity view states
Added responsible to bulk update
Added responsible to context menu
Fixed non-functional delete via context menu
Added responsible to work_package notification mails
Merge pull request #844 from opf/fix/activity_filter_select_3481_2594

[FIX] Activity filter select 3481 2594
Added changelog entry for former PR
Have log time be not required with default activity defined (#3438).
Removed old timelines helper for getting available responsibles
to unify ordering for possible assignees and responsibles on work_package
edit
use new expect-based rspec syntax
Adds changelog entry
Removed old timelines helper for getting available responsibles
to unify ordering for possible assignees and responsibles on work_package
edit