Added UnitTest for case sensivity parameter of customer databases.
CustomerTicketPrint crashed when no attribute was selected for printing; initialize array ref now
Fixed broken tag (follow-up for bug#9353).
Merge branch 'reneeb_bugzilla_9040' of https://github.com/reneeb/otrs
Added changelog entry.
Updated Polish translation file, thanks to ib.pl.
Merge remote-tracking branch 'upstream/master'