Added jsplumb in version 1.5.4rc2 for pre-release testing.
Updated jsPlumb to version 1.5.4.
Merge branch 'master' into feature-jsplumb-mn-master
Updated Changes file.
Deleted old jsPlumb directory.
Fixed: Generic Interface (TicketSearch Operation) Limit param is ignored (bug#9975).
Merge remote-tracking branch 'upstream/master' into otrs-master