Applied patch for ticket #789 (Feature catalogue schema in GeoNetwork is outdated)
* Fix metadata template to validate.
* Fix schema suggestions to use gmx namespace for changed elements in new schema version
* Add process to upgrade legacy metadata in catalog using old schema
Merge remote-tracking branch 'jose/iso19110_schema_update' into improvement/schema/iso19110
ISO19110 schema update / do not break backward compatibility with old records.

Old records will still be supported but will not validate against the new schema. The migration
has to be triggered in order to update records.
Merge pull request #2 from fxprunayre/improvement/schema/iso19110

Improvement/schema/iso19110
Add gmx labels to iso19110 schema
Fix search form label initialization.
Improve french translation.
Relation / only display subtype when defined (ie. usually only for aggregation info element).
Relation / Improve layout (ie. line break and padding) for long name or links.
Improve french translation for harvester admin.
Merge pull request #3 from geonetwork/master

Pull request to synch with geonetwork/core-geonetwork repository
gmx labels in iso19139, seem metadata editor for iso19110 takes labels from this schema (to check)
Merge pull request #5 from geonetwork/master

Pull request to synch with geonetwork/core-geonetwork repository
Merge remote branch 'origin/iso19110_schema_update' into iso19110_schema_update
Merge pull request #63 from josegar74/iso19110_schema_update

#789 Feature catalogue schema in GeoNetwork is outdated
Move jetty to 7.5.0 for mvn jetty:run
#1090 Duplicate key "selectOneFile" in strings.xml
Box DQ report and result in default view mode.
Improve french translation.