flo: Allow User select Tablet Mode

Device overlay variables for tablet mode on Tuna.
Needs other Tablet UI commits and tuning

Change-Id: I466ffa9dac9e5e553d37855f8e8d153fc583e5a0
Signed-off-by: Zaphod <mwilson@acesappraisal.com>
Grouper: overlay for AOKP Ribbons

Change-Id: Iad1ab4b36959032b35a5f3421a5c673c4eaa1823
Signed-off-by: Stevespear426 <stephen.k.spear@gmail.com>
flo: Add longpresshome overlay

Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>