Feature/template skeleton

Message stream is working. Will be adding comments, attachments, and details next.

- [x] rename all view requires to require `hootSuiteView`
- [x] rename how HS is called within the view.
- [x] fix routing
- [x] clearless should be turned back on?
- [ ] fix styling for original comment
- [x] wire up top bar
  - search
  - dropdown list
  - settings
  - post a message
- [ ] fix username popups
- [x] review readme and code
- [ ] add popup routing/layout