upgrade rivet from 2.0.0 to 2.1.2 and yoda from 1.0.4 to 1.1.0
Move to dcap 2.47.8

- Pick up sources from our github mirror.
- Drop obsolete patches.
Merge pull request #865 from ktf/fix-dcap

Move to dcap 2.47.8.
Merge pull request #856 from mkirsano/rivet212

upgrade rivet from 2.0.0 to 2.1.2 and yoda from 1.0.4 to 1.1.0
Merge remote branch 'origin/IB/CMSSW_7_2_X/stable' into IB/CMSSW_7_0_X/stable