Show selection at the top of the sidebar on reset/reveal
Add Sidebar#reset()
Add path bar

Closes #32.
Mention Fogger app on the plugins list

Closes #65.
Update Redis documentation (2.8.7)
Improve D3.js scraper (3.4.3)
Update Knockout.js documentation (3.1.0)
Update Ruby documentation (2.1.1)
Update PHP documentation (5.5.10)
Update gem dependencies