Make app-schema data reference tests work with joining on by default.
[GEOS-5696] WCS services need to declare their namespace
[GEOS-4761] AdvancedDispatchFilter throws NPE for additional non directory servlet mappings
Revert "[GEOS-4011] Unquoded subtype=gml/<version> breaks HTTP/1.1 standard"

This reverts commit 4ebd45c3a5f4ad9c3e9ecb098423667fcbc625e1.
Comment out image write breaking tests on non *nix platforms