Modify LauDaughters::testDPSymmetry to: - produce an ERROR message and exit if the symmetric DP does not have its daughters arranged correctly - detect also flavour-conjugate DPs and set a corresponding flag that can be retrieved via LauDaughters::gotFlavourConjugateDP - in this case if the daughters are sub-optimally arranged print a WARNING

git-svn-id: svn+ssh://phab.hepforge.org/source/laurasvn/branches/timedep-branch@464 30227d83-a2f9-49e9-9e98-657c83b2c86a