Include reducedEgamma_cfi in slimming_cff
add unschedule mode option and add PAT step to cmsDriver
cmsdriver changes for pat
MiniAOD in cmsDriver for real (calling miniAOD_tools)
Tested:
1) cmsDriver.py miniAOD_data-prod -s PAT -n 100 --data --filein /store/relval/CMSSW_7_0_0/SingleMu/RECO/GR_R_70_V1_RelVal_zMu2012D-v2/00000/0259E46E-F698-E311-8CFD-003048FF9AC6.root --eventcontent MINIAOD --runUnscheduled --conditions GR_R_70_V1::All --no_exec
2) cmsDriver.py miniAOD-prod -s PAT -n 100 --mc --filein /store/relval/CMSSW_7_0_0/RelValTTbar_13/GEN-SIM-RECO/PU50ns_POSTLS170_V4-v2/00000/265B9219-FF98-E311-BF4A-02163E00EA95.root  --eventcontent MINIAODSIM --runUnscheduled --conditions auto:startup --no_exec

Conflicts:
	PhysicsTools/PatAlgos/python/slimming/miniAOD_tools.py