Fix aliasing violations

... and build with GCC 4.8 with strict C++ 11

Change-Id: I9bb56c676e983f039617c754550a730fd37c40bf
t0lte: cdma overlays: enable world phone and network modes and update DeviceSettings

Change-Id: Iec4c45b8e347c2c7697c884f1e89441eb9b0d48c