
   Improve flexibility in defining the URL for the local files server.
   The "LOCALDATASERVER" env is tested, which can defined with placeholders via
   the xpd.putenv directive in the xrootd/xproofd config files.
   This allows to solve a problem with file merging currently observed on CAF.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@28393 27541ba8-7e3a-0410-8455-c3a389f83636

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