GTNPORTAL-3310: Add keyup event to trigger validation of new fields.
GTNPORTAL-3309 - Added possibility for resource overriding for favicons.
GTNPORTAL-3313 Workaround for GTNPORTAL-2700 not necessary after
GTNPORTAL-3291
GTNPORTAL-3294 South-East corner of Page Editor dialog shows nw-resize
rather than se-resize cursor