Merge pull request #673 from smuzaffar/IB/CMSSW_6_2_X/stable

updated config tag to V05-01-25
Patch xrootd client.
Merge pull request #685 from degano/xrootd_patch_62X_slc5

Xrootd patch 62 x slc5
Merge pull request #687 from smuzaffar/IB/CMSSW_6_2_X/stable

updated config tag to V05-01-27
added cuda, opencl and opencl-cpp dependency