Add GSM only network mode

Change-Id: I038164a1be5606c27514cbbbba2ad98a643d1482
Revert "JF: Fix network selection choice"

This reverts commit ca751c67bbbbcbdc5f4f640c08f4fdabb92cbbc4.
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_jf-common into temp