From Paul Russo: o Change interface of NewArrFunc_t to add arena (for placement)
From Paul Russo:
o Change interface of NewArrFunc_t to add arena (for placement)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@14020 27541ba8-7e3a-0410-8455-c3a389f83636

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