SettingsProvider: enable wifi by default

Enable wifi by default to workaround issue with SetupWizard calling invalid
setWifiEnabled() method (changed by CyanogenMod).

Change-Id: Ibe8ce58085e51050a57838792af24cb11b9f73ef
power: switch to cm power HAL

Also delete libpower from extras.

Change-Id: I8212ffa5f612aa7127cb196c3326e2b4971f95cf
Really use cm power hal

https://github.com/CyanogenMod/android_hardware_cm/blob/cm-11.0/power/Android.mk#L38

Change-Id: I267e587a9cf4fad032f298f0de486504500abc31
Merge branch 'cm-11.0' of https://github.com/androidarmv6/android_device_lge_msm7x27-common into cm-11.0