fullwms - support fullwms in geoserver

Conflicts:

	geowebcache/core/src/main/java/org/geowebcache/config/GeoWebCacheConfiguration.java
make GeoWebCacheConfiguration.enableFullWMS match the location of the property in the xsd schema

Conflicts:

	geowebcache/core/src/main/java/org/geowebcache/config/GeoWebCacheConfiguration.java
speed up WMSTileFuser's reading of cache tiles
Added some Javadoc
Fixed duplicate member