Add support for meta-qt5

Signed-off-by: Simon Busch <morphis@gravedo.de>
Add meta-ruby to list of needed layers

Signed-off-by: Simon Busch <morphis@gravedo.de>
layers.txt: bump meta-qt5 and bitbake revision

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Merge remote-tracking branch 'origin/dylan' into morphis/work

Conflicts:
	conf/bblayers.conf
	conf/layers.txt