weboslayers: switch meta-oe back to openwebos/meta-oe.git

* switch to upstream meta-oe needs few more changes to meta-webos
  we plan to integrate them after upgrading other layers to Yocto 1.3

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: Id9493bb9f2020eb00333a8135d2ca637a32d3025
weboslayers: use github mirror for upstream OE repositories

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I7a4eea819451856046a22a67da6f54e40179ace2
mcf: remove distro argument

* value passed in -distro --enable-distro is ignored
* readdistro always reads it from Distribution in weboslayers.py

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I86c1fdf73a5b0d770aeb2818f2d1d598c2d1795d