fixed bug when clicking sign up, made application#current_user a helper method to be available in views
Merge pull request #32 from shidel-dev/boards

fixed bug when clicking sign up, made application#current_user a helper ...
made navbar available to all views, moved conditional for user in navbar partial, changed navbar partial filename back to _navbar
Merge pull request #33 from shidel-dev/navbar_debugging

made navbar available to all views, moved conditional for user in navbar...
actually changed navbar partial filename
Merge pull request #34 from shidel-dev/navbar_debugging

actually changed navbar partial filename
fix conflict in navbar merge