Add Bootloader Assert

Per cyanogen, users on older bootloader/basebands are prone to
adverse behavior in respect to recent commits for the device.

Add assert to alert user to begin firmware update process manually.

Change-Id: I332a5cd81a8ecf4a28fd278d448bb1a9a6c44158
audio_effects: Add stereowide effect

Change-Id: I5238369a4b04d0061b51313a99edb05932fc927b
Enable gcc 4.8

Change-Id: I4fec10e41b2b676b9f70dba9e304e6833735c853