Framework: Add support to enable/disable Electron Beam (1/2)

Parts were brought over from CM9 but not all of it.  This completes
the port.

Change-Id: I2ab24581ca775ec7af3eecf7e1dcac72c91e3124
Core: Update italian translation

Change-Id: Ic7ed14a60e1a050e7a343be4c93647e0520ec0b3
SystemUI: NL translation

to complete Dutch translation in TTools

Change-Id: Ib71293dba79c1d3361251cfbc024d7d7b7a620b8
Merge "Framework: Add support to enable/disable Electron Beam (1/2)" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_frameworks_base into cm-10.1