add sessions controller
-modify users controller and user model to relate to sessions controller
-minor changes to layouts app and navbar
revert to previous user config
-move to new strategy for sessions
-make sure tests all pass again
-cry a little for wasting an hour
resolve minor merge conflict
minor merge conflict resolve
work on navbar view, css, sign-in/sign-out logic
Merge pull request #9 from girb0t/sessions

Sessions