wingray: don't show ECA

Pointless on a wifi only device.

Change-Id: Ic26cab3616bfc9876e5fdc428e21f680b7933bd1
wingray: split up overlay between common and wingray-only

Change-Id: I48501dadca38e00d428a7129a7b6e65d13c139d8
wingray-common: update init.stingray.rc

Change-Id: Ib1aaa25095f7123f6b7de7903d0b2174a743569c
wingray-common: enable trebuchet wallpaper hack by default

Performance on the homescreen is miserable without it.

Change-Id: Ic09d0f323c962d853c3fd4231a45239e08e5c604
wingray-common: power: enable boostpulse for ondemand

And general cleanup.

Change-Id: If6c288473e54b99801e8fd394270a0dda37b6949
wingray-common: power: cleanup tabs

Change-Id: I388df1484f07fbca61e0575d2bdbb0346cdd8a8e
Merge remote branch 'cm/cm-10.1' into jb