Merge pull request #692 from smuzaffar/IB/CMSSW_5_3_X/stable

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 #697 from degano/xrootd_updt_53X_slc5

Update xrootd to 3.2.4.
explicilty pass -Iopenssl/include otherwise for building net/net it is not including openssl include directory