remove bootstrap
add some baseline styles
add a descriptive name for the accent color
remove bootstrap references from base.html
refine the base style for the site
simplify the HTML and add the new stylesheet
implement the artist list styling
make the footer sticky
use hCard for the contact information in the footer

http://microformats.org/wiki/Card
make the dividers between the nav and footer very subtle
refine the mobile layout

when the page gets small enough, break the address
into 3 lines.
make black a bit darker
add homepage link back to the navigation
Merge pull request #97 from tim-evans/master

Styling / HTML simplification