Merge pull request #693 from smuzaffar/IB/CMSSW_5_3_X/osx107_amd64_gcc462

updated config tag to V05-01-27-00
included latest fixes from 71x branch
included latest fixes from 71x branch
Update xrootd to 3.2.4.
Merge pull request #699 from degano/xrootd_updt_53X_osx107

Update xrootd to 3.2.4.
move to lhapdf 5.9.1 without compression