fix cardBackgroundColor function
fix use of data array in object getter
fix wrong case name. fix wrong object
clean-up: remove empty statement/double semi-colon...
fix typo in contributor name. use __constructor when needed
plugin taskboard: better display for task
plugin taskboard: numerous fixes when referenced artifact tracker is deleted
Always spell "Task Board"
Less strings
Taskboard: filter tasks on taskboard display
Taskboard: show User Sories without task & unlinked tasks + fix
Taskboard : multi-taskboard support
Merge branch '6.0'
Fixed references to constructor in derived classes
Rename Error to FFError in more places
Rename Error class to FFError for PHP7
Translate strings
taskboard: Indent fixes
taskboard: Add information on costs and integration with avatar plugin in cards
Fixes after 6.0 migration. Only artifact title now is shown on the card.