EPD-247: Moved model management from AisDialog to AisTableModel (IAisTargetListener). Also, this is an early fix to the crash in  in AIS targets details dialog. Needs finetuning.
EPD-247: Fixed crash when sorting after reordering columns in view + code cleanup + removed hardcoded column indices in setComparator calls.
EPD-247: fixed crash when using goto button after reordering columns in view.
Merge branch '3.1'