CMSSW_9_1_1_patch2

Changes since CMSSW_9_1_1_patch1:

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1. 19223 from @davidlange6: Xrootd revert back ported to 91x comparison core created: 2017-06-14 15:57:51 merged: 2017-06-14 15:58:27

2. 19212 from @bsunanda: Run2-hcx135 Bug fix to avoid crash in HcalGeometry (backport of PR#19172) geometry created: 2017-06-14 02:20:15 merged: 2017-06-14 15:50:29

3. 19209 from @bsunanda: Phase2-hgx86 Fix the bug for overwriting (backport from 9_2_X #19198) reconstruction upgrade created: 2017-06-13 16:03:59 merged: 2017-06-15 08:13:15

CMSDIST Changes between Tags REL/CMSSW_9_1_1_patch1/slc6_amd64_gcc530 and REL/CMSSW_9_1_1_patch2/slc6_amd64_gcc530:

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