Follow-up for bug#8253.
Fixed: otrs.RebuildFulltextIndex.pl - multiple output lines (bug#10475).
Synchronized translation files.
Prepare for release.
Improved UPGRADING instructions.
Undo splitting of checksum functionality.
Updated Swedish translation, thanks to Peter Krantz.
Conflicts:
	Kernel/Language/sv.pm
Fixed: Bulk action locks tickets - cancel keeps them locked (bug#10427).
Squashed commit of the following:

commit d4ee2d3e4836bb75eee9096f57ab0e07009d8831
Author: s7design <otrs@s7designcreative.com>
Date:   Thu May 8 17:51:09 2014 +0200

    cleaned code and made some change

commit 117f6f0859df3a1e5ff6932b181d5542415fc8b9
Author: s7design <otrs@s7designcreative.com>
Date:   Thu May 8 14:10:09 2014 +0200

    unlock locked ticket in AgentTicketBulk click on Back link

commit 3583eb3aa1c13f8106dacb2ca9c9ed9b34cfab0b
Author: s7design <otrs@s7designcreative.com>
Date:   Wed Apr 30 11:35:10 2014 +0200

    http://bugs.otrs.org/show_bug.cgi?id=10427

    Added logic for undo link for locked ticket in case clik on close link in AgentTicketBulk module
Fixed: CIC not always accessible via TicketZoom (bug#10491).
Squashed commit of the following:

commit cac9a3cc1c9a741912eeaa3973af754717a6f934
Author: s7design <otrs@s7designcreative.com>
Date:   Wed May 7 14:02:20 2014 +0200

    Deleted code for check permission

commit 32bbfa7be0cfbdc8e75a05887950efb17dfe0b47
Author: s7design <otrs@s7designcreative.com>
Date:   Wed May 7 11:58:43 2014 +0200

    http://bugs.otrs.org/show_bug.cgi?id=10491

    Added link gor CIC in AgentTicketZoom