Implement an offset anchor dynamic CSS class.

`.wdn-offset-anchor` is generated at runtime to use the calculated
navigation bar size.

Closes #667
Update webfonts to include extended Latin characters
Update favicon
Improved pixel-fitting of favicon
Merge pull request #776 from skoolbus39/wdn-assets

Update favicon
Add moment.js to help with dates
Update the event bad to use new json and moment.js
Implement the json source for events.js

This will probably need some markup work, but its a start
Remove debug statement
Add link to maps
Remove trailing whitespace
Convert tabs to spaces
Code formatting
Merge remote-tracking branch 'upstream/4.0-events' into 4.0-events
Caption styling
<th> styling
Month Widget styling
Month Widget styling
Remove colon from upcoming-header
Remove unnecessary colon in event time