jf: Really fix the storage configuration

 * Move relevant stuff into fstab.qcom
 * Kill old cruft with fire

Change-Id: I3c2f57b58a5c8f5fdfd99524d18e0334b6a0ca79
Merge branch 'cm-10.2' of github.com:CyanogenMod/android_device_samsung_jf-common into HEAD