bugfix to make sherpa compile in cmssw_6_2_X (removed --enable-analysis)
added autotools to sherpa.spec
Merge pull request #869 from pmillet/IB/CMSSW_6_2_X/stable

Sherpa 2.1.1
Merge remote branch 'origin/IB/CMSSW_6_2_X/stable' into IB/CMSSW_7_0_X/stable