Use Bootstrap 3 for primary pages
Clear message field after send

A bug due to jQuery upgrade
Merge branch 'master' of github.com:langdev/log.langdev.org into twbs3

Conflicts:
	logviewer/static/style.css
	logviewer/templates/base.html
	logviewer/templates/log.html
Fix navbar
Integrate flags into navbar
Adjust scroll position when hash changes (because of fixed nav bar)
Add mobile-only nav bar
Remove hard-coded channel names