m7-common: Add controls to long-press and double-tap of the home button to match HTC One GE edition

* Patchset 1: Initial Commit
* Patchset 2: Whitespace murdering
* Patchset 3: Correct value for double-tap Home from Menu to Assist Intent (Google Now)

Change-Id: I41e314d473176d57bc09805185780ca3aff94c06
m7: refine sepolicies

Change-Id: I30cc067c2ba10d836c3e0babc2c3d95276197b7e
m7: refine sepolicies

Change-Id: I2507a5857edf262ea0f4411ad0edad8361b456df
m7: selinux: bluetooth policies

Change-Id: I5645111e6b6772266185efd17165184534b9cecb
m7-common: Configure double-tap Home button as Menu

Change-Id: I29ede4fdfbf5d7476c6381d7219ae4cf9959f804
Merge changes from CM from branch "cm-10.2"