Change ResponseDescription css class for the reactivate transition.
Merge pull request #428 from 4teamwork/pg_reactivate_icon

Change ResponseDescription css class for the reactivate transition.
Sort groupmembers by label for groupmembers list.

Closes #360.
Add changelog for new version.
Merge pull request #429 from 4teamwork/deif-order-group-members

Sort groupmembers by label for groupmembers list.
Made statefilter in Task- and Dossiertabs easier customizable for subclasses.
Disable statefilter for yearfolders closed forwardings listing.