Removed sal/types.h

Change-Id: Ibc3a5b7b82ba2f1b7d507b81922e8956abf894e4
Removed tools/solar.h

Change-Id: I73a4c3d557512f23df44ae046bada7c882479b4a
Removed tools/errcode.hxx

Change-Id: I0289faa019d4fa568c91d700af505b07fca0055b
Removed com/sun/star/util/DateTime.hpp

Change-Id: Ia9ebc94dd4298c705e345c60f7fe208cc1f9c88d
Merge ld:/home/gelma/dev/prg/for_riccardo/slot1 into for_riccardo
Merge ld:/home/gelma/dev/prg/for_riccardo/slot2 into for_riccardo
Merge ld:/home/gelma/dev/prg/for_riccardo/slot4 into for_riccardo