pre merge with master
Tournament changes + Merge branch 'master' into bracket2
* added initiate_pod(pod, email_list_string) to manually pair users into a pod
* added methods to get scores of p1 and p2 in TournPair
* added method to Tournament to get standings of a pod as a list of hashes:  (:id, :name, :score)

Conflicts:
	app/controllers/tourn_matches_controller.rb
	app/views/tournaments/show.slim
Merge pull request #420 from YiboDuan/bracket2

Bracket2