SVN_SILENT made messages (.desktop file)
plaintext formatting: recognize *bold* etc even at the end of a line
l10n: trigger a rebuild after the list of .po files changes
qt5: fix assert crash due to QMetaType being extra sissy

Thanks to Thiago for a suggestion on how to fix this. Details at
http://lists.qt-project.org/pipermail/development/2013-January/008976.html .
Delete the temporary file after 10 seconds after opening the attachment

"cor3ntin" on #qt claims that Thunderbird deletes the temporary files after a
couple of seconds. This code works for me on X11.
Composer: trim the References header

There are no official instructions for the total amount of data in the
References header in e-mails, but there's one such document for Usenet postings
(RFC5537). Based on an advice on the ietf-822 mailing list [1], this change
makes Trojita obey the same rules.

[1] http://www.ietf.org/mail-archive/web/ietf-822/current/msg06671.html
Merge remote-tracking branch 'kde/master'