modify the stylesheets for signup page.
add users model specs.
modify input form style. create a user page.
create sessions controller.
create signin.
create sign out.
create meetup controller and model.
create meetup input form.
create meetup partial. create show.html.erb
modify the form and display partial for meetup.
modify the shared css
Merge branch 'master' of https://github.com/osadake212/portal