Removed osl/conditn.hxx

Change-Id: Ia673de0af7a1bf52c1ef2ea98a62269c17fcce56
Removed com/sun/star/frame/FeatureStateEvent.hpp

Change-Id: I9f2a6ed02259bef43dc5b3dbe80c6bc5904f1572
Merge ld:/home/gelma/dev/prg/for_riccardo/slot2 into for_riccardo