Implementing docker-based HHVM+Nginx bootstrapper
Removing redundant call to `apt-get install`
Removing redundant call to `sh`
Removing redundant nginx config
Adding comments to make the runner more explicit
Adding docker provisioning scripts
Introducing application path
Restoring explicit `sh` call, as it is required
Including data containers mounted in the HHVM box' `/application` dir
WORKDIR is not required for HHVM+FASTCGI to run
Merge pull request #1 from Ocramius/feature/docker-setup

[WIP] Implementing docker-based HHVM+Nginx bootstrapper