Add twitter bootstrap.
Remove old styles.
Forgot to commit this after altering Gemfile.
Added TODO notes.
Improved appearance of About page.
Highlight active navbar tab.
Fixes
Added simple_form
Fixed comment form validation to work with Twitter Bootstrap.
Add Twitter Bootstrap styled alert messages to comments form.
Factor out alert partial.
Convert contact form to simple_form and Twitter Bootstrap styles.
Invert colour of navbar.
Fix tag cloud styling
Change wording to allow for small devices.
Distinguish "posted by" text from comment.
Change admin layout for twitter bootstrap.
Derive year in layout.
Fix admin login form.
Remove unnecessary code.