Fixed function keys and wifi toggle. Also disabled lock key.
Fixed function keys to make them more functional

Change-Id: Id6baa64cca72e0293c7a4b195d5bc5f402a99dac
Fixed duplicate function definition for launchCamera

Change-Id: Ie0df06b30270303a43075d16575d4c1d64ec2afc
Merge branch 'cm-11.0' of github.com:jhannah01/android_device_asus_tf700t into cm-11.0