added xvfb to rc.d via update-rc.d
configure vagrant-cachier
instructions for speeding up provisioning with vagrant-cachier
Merge pull request #420 from jacksingleton/fix-fun-tests-after-vagrant-halt

added xvfb to rc.d via update-rc.d
restore TBB-specific js warning
inline scripts are the devil
Merge pull request #421 from freedomofpress/vagrant-cache

Vagrant cache
Merge pull request #423 from freedomofpress/fix-broken-popup

Fix broken popup