Fixed bug where we tried to greet user when not logged in
Added copyright message to footer and link to Github repo.  Made footer 'sticky'.
Merge branch 'master' into sticky-footer

Conflicts:
	app/views/layouts/application.html.slim
Apply Kev's fix to copyright
Apply Kev's fix to copyright
Merge pull request #10 from ichurch-hackers/sticky-footer

Sticky footer