Add a Warning in TH1::Rebin in case the argument ngroup is not an exact divider of the number of bins.
Add a Warning in TH1::Rebin in case the argument ngroup is not an exact divider of the number of bins.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@21568 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,dawehner/root