Added TeamStats service and got throughput calc working
Have all the stats to show expected delivery dates
Metric display tweaks, new metrics on team page. Removed metrics from dashboard page.
Added monthly_throughput and using it on Team page
Added backlog markers to team pages
Fixed failing test
Actually allow you to disable the debug toolbar
Allow exclusion by service class
Fixed service class exclusion to actually work in the view
Allow you to vary weeks computed for lead_time
Changed label on backlog markers
Feature flagged backlog markers
Est completion date formula tweaks
Merge branch 't134' Fixes #134