dataModel To do

[jordan00830]

• [DONE] add owner_uid in tasks
• Login
• [DONE] @GET myTask
• [DONE] @POST task (insert)
• @PUT task (update)
• @DELETE task
• add "user" collection

{ uid : uid
  taken_task : [task_id1,task_id2, ...]
}

[maxis1718]

For login, we'll need OpenID such as facebook and google