CartoCSS improvements via @jbranigan
Return valid values for anonymous user. Fixes #538.
Merge pull request #526 from ahinz/fix/408/contact-and-tree-key-links

Connect "Tree Key" and "Contact" links. Fixes #408.
Add rep to header. Fixes #519.
Add active state to headers. Fixes #520.
Merge pull request #525 from ahinz/fix/style-issues

Fix/style issues
Merge pull request #539 from ahinz/fix/538/guard-against-annon-user

Return valid values for anonymous user. Fixes #538.
Merge pull request #537 from mtedeschi/topic/branigan-cartocss

CartoCSS improvements via @jbranigan
Pull in scripts based on protocol

Also uses https for a few a outbound links.