pollux-common: enable rotation everywhere

for tablet is very useful have lockscreen rotation enabled

Change-Id: Ie32756d57ea5e896feabf6439425ead089fbbc57
pollux-common: use xlarge resources

this also set normal and large as fallback

Fixes dialog styles, not making them full-screen
on a 10-inch tablet's display.

Original discussion: http://review.cyanogenmod.org/65363/

Change-Id: I1e260bec20f96a015a4481e66e66c558fa00e3c2