Update README
Some header updates
Initial sanitizing of functions.php
Some more element fixes
JS element replacements
Nav tweaks
Fix opening in new tabs
Fix theme version
Squashed 'arctosdb.org/js/purl/' content from commit 024fe04

git-subtree-dir: arctosdb.org/js/purl
git-subtree-split: 024fe048d407fc4c0a87ca9e0fd3b50cc5c2454f
Merge commit '48350c70c84dde4e0d0f2a7584518a659738f12b' as 'arctosdb.org/js/purl'
Squashed 'arctosdb.org/js/picturefill/' content from commit 16b37fb

git-subtree-dir: arctosdb.org/js/picturefill
git-subtree-split: 16b37fb0979eb269e398843fb0941d66b6dc3a12
Merge commit '57ecdd3b8f47f14bca0d693e5dc9071b2a188732' as 'arctosdb.org/js/picturefill'
Add git dependency updater
Move dependencies from Subtree to Bower
Fix updater batch
Update README
Fix Twitter link
Start work on little icon for main arctos