DeviceSettings: min voltage for vibra is 1200mV
init: permissions for bluetooth
m7-common: update audio policy and copy audio effects config.

Change-Id: I761f8c28dc36ddec8921c35f4a59448bcf9c4c62
Merge branch 'cm-10.1' of git://github.com/htc-msm8960/android_device_htc_m7-common into cm-10.1