Add options link

- Support for clicking it, but doesn't do anything yet
- Made home/mentions links work just like other timelines
- Maybe actually cleaning up properly? We'll see...
Clean up shutdown process
Fix shutdown context bug
Stubbed out options panel
Move external CSS into /css/lib
Logout support
Add options link

- Support for clicking it, but doesn't do anything yet
- Made home/mentions links work just like other timelines
- Maybe actually cleaning up properly? We'll see...
Clean up shutdown process
Fix shutdown context bug
Stubbed out options panel
Move external CSS into /css/lib
Logout support
Merge branch 'options-panel' of https://github.com/tivac/falco into options-panel