Ensure we have a people_ids array in Task#update_tasks_count before trying to push assigned_id_was
Ensure we have a people_ids array in Task#update_tasks_count before trying to push assigned_id_was

Fixes last failing spec on hosted. woot!

crewmate/crewmate,vveliev/teambox,nfredrik/teambox,vveliev/teambox,crewmate/crewmate,vveliev/teambox,irfanah/teambox,irfanah/teambox,codeforeurope/samenspel,teambox/teambox,nfredrik/teambox,ccarruitero/teambox,teambox/teambox,teambox/teambox,vveliev/teambox,irfanah/teambox,ccarruitero/teambox,rahouldatta/teambox,rahouldatta/teambox,crewmate/crewmate,nfredrik/teambox,rahouldatta/teambox,codeforeurope/samenspel,irfanah/teambox,nfredrik/teambox