Apply a patch from Yuri Fisyak:   add a new option "S" in FitSlice which performs a   sliding merge: merge n consecutive bins along Y  accordingly to what value in option Gn is given.
Apply a patch from Yuri Fisyak: 
 add a new option "S" in FitSlice which performs a   sliding merge: merge n consecutive bins along Y 
accordingly to what value in option Gn is given.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@40657 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root