Update master after release 3.2.4.
Fixed zipexport-enable upgrade step to match the new registry entry.
With ftw.zipexport 1.2.0 the registry name changes which brakes our upgrade step.
Merge pull request #263 from 4teamwork/lk_3.2.4

Update changelog with release 3.2.4.
Merge pull request #267 from 4teamwork/lk_fix_zipexport_upgrade_step

Fixed zipexport-enable upgrade step to match the new registry entry.