SVN_SILENT made messages (.desktop file)
Always build the DE detection even on non-X11 platforms

The main motivation behind this is that there's no Q_WS_* in Qt5. Also, checking
a couple env vars on, say, windows shouldn't do any harm.
GUI: Try to use a reasonable font size even on systems with no default config

REVIEW: 110732
Merge branch 'monospace-font-selection'
build: accept the update of auto-generated files from QtCreator
Composer: support address completion even on chunks starting with ".", "_" and "-"

REVIEW: 110738
abook: don't offer unrecognized addresses

The perfect fix would be, of course, to make the MailAddress::fromPrettyString
support even "foo@example.org <foo@example.org>", but that look like a lot of
work (and besides that, I don't want to see these regexps in the next month or
so)

BUG: 320499
REVIEW: 110740