Prepare for Yocto Project 1.6

Yocto Project 1.6 is due in a month. We should start building on OE and poky master.
Use *next* branch for gumstix repos on dev.

Signed-off-by: Ash Charles <ashcharles@gmail.com>
[manifest] Track master-next

The latest commits to the upstream go to the master-next branch
Added meta-ros
[manifest] Start tracking Poky's Daisy branch
Switch over to daisy branches wherever possible

Signed-off-by: Ash Charles <ashcharles@gmail.com>
[meta-ros] Freeze for master.

Signed-off-by: Ash Charles <ashcharles@gmail.com>