Updated i18n files using bin/genpo.sh

KTS-2847
"Disabled plugins still load"
Fixed. Used a debug trace to find which plugin is adding a location and get the plugin namespace, so that the location can be linked to the plugin and not loaded when its been disabled.

Committed by: Megan Watson
Reviewed by: Conrad Vermeulen
KTS-2799
"3.5.2 beta 2 upgrade error"
Fixed. Updated paths in config.ini. Added plugins_helper cleanout during upgrade. Added CustomError section to config.ini.

Committed By: Kevin Fourie
Reviewed By: Jonathan Byrne

git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/STABLE/trunk@7960 c91229c3-7414-0410-bfa2-8a42b809f60b