Removed com/sun/star/uno/Reference.h

Change-Id: Ide7ac606c22f96d25de65690dd896f78966f0376
Removed com/sun/star/uno/Sequence.hxx

Change-Id: I9c7e9187babaabe30170f50a94766ec3e09325ac
Merge ld:/home/gelma/dev/prg/for_riccardo/slot2 into for_riccardo