EPG-36192 - WS: soap endpoint for getCategories wrong in WSDL

Regenerated stubs.
EPG-36235 - LastUpdateService: Don't call mysql NOW()
EPG-34486 - cannot assume any ordering on findDeletedObjects call.
Merge pull request #37 from otrosien/feature/getCategoriesFix

Feature/get categories fix
Merge branch 'dev' of github.com:ePages-de/soapclient into dev