fix job number caculation for extended workflow
port wmstats script to WMCore codebase
Add couch views for WMDataMining
Add stats gatherer to WMCore
Merge pull request #5151 from ericvaandering/add_WMDataMining

Add wm data mining
Merge pull request #5161 from ticoann/move_wmstat_svc

port wmstats script to WMCore codebase
Merge pull request #5164 from ticoann/extended_fix

fix job number caculation for extended workflow