Added scaffolding for Swap Requests
Added user ownership to swapportunities
show username in swap request AND
Merge branch 'master' of https://github.com/daf-/coop-site into swap-system

Conflicts:
	app/models/user.rb
Merge pull request #5 from daf-/swap-system

Swap system
Merge branch 'master' of https://github.com/daf-/coop-site into calendar

Conflicts:
	db/schema.rb