Fix EZP-22867: Fatal error when trying to edit a workflow that refers to a removed eZContentClass
Fix EZP-23020 : Declaration of eZINIAddonPackageHandler::install()
Merge pull request #998 from tharkun/ezp-23020-declaration-eziniaddonpackagehandler

Fix EZP-23020 : Declaration of eZINIAddonPackageHandler::install()
Merge pull request #965 from guillaumelecerf/EZP-22867

Fix EZP-22867: Fatal error when trying to edit a workflow that refers to a removed eZCont...
Fix EZP-22615: Not possible to remove an image from an object
Merge pull request #1001 from ezsystems/ezp-22615_remove_images

Fix EZP-22615: Not possible to remove an image from an object