adding session elements, and basic logout functionality
removing sessions controller / stuff, attempting session based control of views
Merge branch 'master' of https://github.com/paleym/Schadenfreude
Merge branch 'master' of https://github.com/paleym/Schadenfreude
added picture
Merge branch 'master' of https://github.com/paleym/Schadenfreude

Conflicts:
	db/schema.rb
Merge branch 'master' of https://github.com/paleym/Schadenfreude
Merge branch 'master' of https://github.com/paleym/Schadenfreude
Linked log-in to redirect to show, initializes session when login verified