Update to bootstrap-3.0.0.

Views will be fixed in later commits.
Fix splash page and navbar.
Add toggle to nav.
Padding for fixed navbar.
Switch back to static navbar.
Fix chapters view for bootstrap 3.
Fix factions view for Bootstrap 3.
Fix people view for bootstrap 3.
Fix faction view for bootstrap 3.
Update button class for bootstrap 3.
Fix person view for bootstrap 3.
Partly fix chapter view for bootstrap 3.
Apply a modified version of the Readable theme.

http://bootswatch.com/readable/
Give all views a constant size on tablets and above.
Use sans-serif fonts for network charts.
Fix chapter view and network chart for bootstrap 3.
Adjust font sizes for small screens.
News blurb.