install and configure devise
generate devise views
configure devise
generate devise admin
add before filter
configure Admin
update migration
install and configure devise_invitable
migration creating first admin
another layout for non-home pages
navbar css
add flash containers in layout
add invitations and logout links in layout
better sign in page
add high invitation_limit for default admin user
generate Log model
generate Logs controller
fix migration
configure routes for logs/
WIP logs#index