Settings App: Fix to resolve NULL pointer exceptions

This fix resolves any NULL pointer exceptions and
Array Index Out of Bounds exceptions seen in
Settings Application code space.

CRs-Fixed: 760115
Change-Id: I8c2b7b8e19d362a5c5789d8693bcd3656c32e38d
Recents: option to disable searchbar [1/2]

code by ProjectDISCO rom  @yashade2001

Change-Id: I75f1f9f8bed1237f871a53e26922cf4482d88fd7
ezio: move the entry under Interface instead of Display
removed keywords
ita translation