Handle new QtTraceMsg type, fix warnings about unhandled enumeration value.

Change-Id: Ia908aa03e0f6a0e4f92013ae84fc68ac73919d08
Reviewed-by: hjk <hjk121@nokiamail.com>
Remove QtAlgorithms usage from QtXmlPatterns.

QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: I4e2c7bf7970ba59ca9443c545b66db9f509d946b
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Merge remote-tracking branch 'origin/stable' into dev

Change-Id: I4e5b26b796b12ced8a62926cdf91da10b9c20f9e