don't apply wizards when there is no geometry CDB-1153
CDB-1168 #resolve Fixes removing user database on postgresql >= 9.2
CDB-1166 #comment Implement #delete for S3 backend
updated to master
Merge remote-tracking branch 'origin/bug/CDB-1153' into release/2.6.0
Merge remote-tracking branch 'origin/improvement/CDB-1166' into release/2.6.0
Merge remote-tracking branch 'origin/fix/CDB-1168' into release/2.6.0