Fixed: Perl 5.18.1 problems with MIME::Entity (bug#9832).

See:
http://search.cpan.org/~rjbs/perl-5.18.0/pod/perldiag.pod#Strings_with_code_points_over_0xFF_may_not_be_mapped_into_in-memory_file_handles
http://blogs.perl.org/users/tony_cook/2013/02/perl-io-on-scalars.html

Thanks to Niko Tyni at the Debian team for investigating!
Fixed bug#9914: Spellchecker ignores double wrong words.
Updated CHANGES file.
Fixed bug#9867: Validation errors are not shown correctly when replying to a ticket in Customer Interface.

Conflicts:

	Kernel/Output/HTML/Standard/CustomerTicketZoom.dtl
Fixed bug#9841 - Tabbing changes radio button of owner change selection.

Conflicts:

	Kernel/Output/HTML/Standard/AgentTicketActionCommon.dtl
Updated CHANGES file.
Fixed: Error when updating CustomerUser Login on ForeignDB (bug#9916).
Merge remote-tracking branch 'upstream/rel-3_2' into rel-3_2