users can sign up, sign out, and sign in

fixed formatting and env variable issues

moves environmental variables'

removes unrelated migration
Merge pull request #2 from JohnBuonomo/guests-can-make-accounts

Guests can make accounts, sign in, sign out.
Merge branch 'master' of github.com:JohnBuonomo/Field-Journal

Conflicts:
	db/schema.rb
admins can create locations, users can view locations'
admins can add locations, users can search for them
adds admin boolean to users
admins add locations, users search for them
recreates tables, validates new locations'