[qt/f16] (4 commits) ...Fix patched files backup suffix

[Jaroslav Reznik]

Summary of changes:

  060db3c... * Sat Dec 03 2011 Kevin Kofler <Kevin at tigcc.ticalc.org> 4.8 (*)
  a5d51f8... Control whether icu support is built (#759923) (*)
  420aafa... Fixes the position of misplaced mouse input (QTBUG-22420) (*)
  d238022... Fix patched files backup suffix (*)

(*) This commit already existed in another branch; no separate mail sent