CMSSW_9_1_1_patch1

Changes since CMSSW_9_1_1:

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1. 19040 from @kpedro88: update HBHE raddam parameters [91X] alca created: 2017-05-31 14:30:07 merged: 2017-06-05 11:11:10

2. 19026 from @clelange: PR #18236 backport to 91X reconstruction upgrade created: 2017-05-30 21:37:47 merged: 2017-06-02 16:36:22

3. 18956 from @jhgoh: Backport: RPCRecHits nan protection reconstruction created: 2017-05-26 01:30:46 merged: 2017-06-02 16:35:36

CMSDIST Changes between Tags REL/CMSSW_9_1_1/slc6_amd64_gcc530 and REL/CMSSW_9_1_1_patch1/slc6_amd64_gcc530:

compare to previous