Include changes that are compatible with latest V5 OXID eShop
- Update code sniffer version (^2.3.1)
- Exit with correct return code we get back from phpcs, otherwise there is no way to stop execution e.g. in a CI environment - PR #14 from shoptimax/master
- Don't test in Interfaces body function of a return Statement - PR #13 from sd-tm/master
- Exclude adodblite from checks