Merge pull request #78 from SCPR/design_template

Sends template tweaks to master...
fixes bad url on archives page
updates about the data text based on feedback
Clarified phrasing in ARCHIVES subtitle.
adds link to about the data in the footer on base.html
Semantic fiddling
adjusts metadata title on about the data
Merge branch 'master' of github.com:SCPR/firetracker
adjusts og and twitter meta titles on archives page
adjusts og and twitter meta titles on about data page
tracks down missing style for about in footer and adds
fixes link issue in header of about data
sneaks link to about the data page near the year-over-year comparison