layers.txt: move meta-ti to track angstrom staging branch

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
layerman: mention layer in changelog

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
New layers and conf
Updated bblayers
Adding a quick status check.
Updated layers to use amscins.
Merge branch 'master' into angstrom-v2012.05-yocto1.2

Conflicts:
	conf/bblayers.conf