Update BTag sequence and a few EXO paths in the HLT menu
Merge pull request #6842 from perrotta/otherHLTUpdatesForRun2_74X

Update BTag sequence and a few EXO paths in the HLT menu
add gridpack run script which untars tarball directly from cvmfs
Merge pull request #6849 from bendavid/lhecvmfs74x

add gridpack run script which untars tarball directly from cvmfs
Merge remote branch 'origin/CMSSW_7_4_X' into CMSSW_7_0_X