Fix reblogs of reblogs in UI, add follow form in UI

app/assets/javascripts/components/actions/follow.jsx

...assets/javascripts/components/components/compose_form.jsx

app/assets/javascripts/components/components/drawer.jsx

app/assets/javascripts/components/components/follow_form.jsx

app/assets/javascripts/components/components/frontend.jsx

...ascripts/components/containers/compose_form_container.jsx

...vascripts/components/containers/follow_form_container.jsx

app/assets/javascripts/components/reducers/timelines.jsx

app/assets/stylesheets/components.scss

app/models/account.rb