Group owner could be null.
Quote data to better see null.
Merge remote-tracking branch 'origin/develop' into develop
Harvester / GeoNetwork / Remove logo and source from harvested nodes (#329).
Ignore harvester logs.
fixed a find bugs error and initializing the test database on linux
fix for harvester destroy when removing a harvester that has a sourceid of a source that doesn't exist.
#334 Metadata editor: datetimes values are lost in IE after editing and saving the metadata
reduce logging in tests.