Fix for Batch update privileges does not properly index records

https://github.com/geonetwork/core-geonetwork/issues/620
Merge branch 'stable-develop' into develop

Conflicts:
	services/src/main/java/org/fao/geonet/services/metadata/BatchUpdatePrivileges.java
Administration / Batch XSL process does not work anymore #695. Retrieve properly the user session to get the selection. It was always empty.
Administration / Batch update / Adapt UI to the new response format.
Batch update privileges does not work #697.
actually do the save in addCategories.

(the parameter had been added but I had forgotten to add the save call)
Merge branch 'develop' of github.com:jesseeichar/core-geonetwork into develop
Merge branch 'develop' of github.com:geonetwork/core-geonetwork into develop
Fix bound namespace, keyword and keyword type.
Metadata view / Make bbox label generic based on corresponding schema elements.
Merge remote-tracking branch 'upstream/develop' into metawal-4.x

Conflicts:
	services/src/main/java/org/fao/geonet/services/metadata/BatchXslProcessing.java