Adding React.js, Redux, revamping dashboard

.gitignore

Gemfile

Gemfile.lock

app/assets/javascripts/application.js

app/assets/javascripts/channels/timeline.js

app/assets/javascripts/components.js

app/assets/javascripts/components/.gitkeep

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

app/assets/javascripts/components/components/column.jsx

...ssets/javascripts/components/components/column_header.jsx

...assets/javascripts/components/components/columns_area.jsx

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

app/assets/javascripts/components/components/nav_bar.jsx

app/assets/javascripts/components/components/status.jsx

app/assets/javascripts/components/components/status_list.jsx

app/assets/javascripts/components/containers/root.jsx

...vascripts/components/containers/status_list_container.jsx

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

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

app/assets/javascripts/components/store/configureStore.jsx