Have versions updated on default and other themes
Bump versions of underscore and doctools.
Move analytics to external pages
Merge branch 'extension'

Conflicts:
	readthedocs/templates/sphinx/sphinx_rtd_theme/sass/_badge.sass
	readthedocs/templates/sphinx/sphinx_rtd_theme/sass/badge_only.sass
	readthedocs/templates/sphinx/sphinx_rtd_theme/static/badge_only.css
	readthedocs/templates/sphinx/sphinx_rtd_theme/static/theme.css
	readthedocs/templates/sphinx/sphinx_rtd_theme/static/theme.js
Remove theme.js since we have it in our main rtd.js stuff
Small cleanup
Uncomment theme until we roll building stuff
Shim in fix for old RTD theme
Install sphinx-ext from git
Bump ext
Hopefully fix double builds causing build dirs
Derped when I should have herped
Rekill js now that we're live
Fix url when not using subdomains
Use our own htmldir builder too
Bump ext version
Re-add analytics to layout.html
Bump version
Fix rebuilding latest
Keep versions to build by github hook in a set.