local.conf: use PR service on jenkins.nas-admin.org by default

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
layers: bump dylan revisions a bit

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
bblayers: enable meta-acer for a500

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

Conflicts:
	conf/layers.txt