P3100: Cleanup

1. Move "DEVICE_RESOLUTION" to Common
2. Remove unneeded Package line from p3100.mk
3. Fix touchorientation in TWRP using "init.recovery.espresso.rc"
4. move init.recovery.espresso.rc and twrp.fstab inside rootdir
5. get rid of modem line in twrp.fstab
6. "preferences_prefer_dual_pane" set to false, not working in Omni
and not looking good in portrait mode on other roms

Change-Id: I3ca97cd52e24bfe22ba118b26de8e7f917ead4c5