Stop allowing other APNs overriding Sprint LTE.

Change-Id: I43279623f9711f2372ba6faa0eb90a85a12cc46e
Update APNs for docomo and SoftBank (MCC:440 Japan)

Add missing MMS options for andoworld (SoftBank) and authtypes for docomo MVNOs.

Change-Id: Ibb859850f8167321bf7a5031a5ad1226520b64db

Conflicts:
	prebuilt/common/etc/apns-conf.xml
Added missing line for Verizon APN (mcc 311 mnc 480)

Missing line identified here:
http://forum.cyanogenmod.org/topic/99495-still-no-data/
Change-Id: I29ab79067e5d9056a7bc1aa43b1877317cf7cd82
Update contributors

Add Xiaomi Mi2(s) and update Italian translators

Change-Id: Iffaf6452e9618d0ef30667c85e58e858958bbcd8