Updated GTs in AutoCond.py for CMSSW_7_0_0_pre13

Fixing the autoCond.py with the correct GTs for 7_0_0_pre13 containing 
- updated e-gamma regression tags to be paired with the new reconstruction code: https://github.com/cms-sw/cmssw/pull/2202
- corrected HCAL tags for 'startup', 'startupHI', 'startupPa', upgradePLS1' and 'upgradePLS150ns' MC GTs (see https://hypernews.cern.ch/HyperNews/CMS/get/relval/2804/25/1.html)
- correct HCAL ZS treshold erroneously propagated to the DATA GT ('com10')
- updated GT for 'hltonline', in sync with https://github.com/cms-sw/cmssw/pull/2181