CMSSW_7_1_17_patch1

Changes since CMSSW_7_1_17:

compare to previous

1. 10049 from @MilanoBicocca-pix: Add vtx smearing parameters: nominal beam parameters, realistic centroid operations simulation created: 2015-07-06 13:24:51 merged: 2015-07-14 20:59:19

2. 10098 from @covarell: Fix multiple secondary decays generators created: 2015-07-08 12:27:12 merged: 2015-07-14 20:59:10

CMSDIST Changes between Tags REL/CMSSW_7_1_17/slc6_amd64_gcc481 and REL/CMSSW_7_1_17_patch1/slc6_amd64_gcc481:

compare to previous