re #280 - Add Varnish module and install 4.*
re #280 - Remove varnish module and roll our own version
re #280 - Clean-up
re #280 - Do not cache webgrind and phpmyadmin
re #280 - Setup backend probe to easily toggle Varnish on and off

Created a default localhost to query for /varnish-enabled
re #280 - Install PEAR packages Console_CommandLine and Phing by default
re #280 - Control Varnish cache from command line

Implemented enable, disable and purge commands.
re #280 - Updated README
re #281 - Get VM name from config
Update README
re #281 - Set virtual machine name through config file
re #281 - Allow custom configuration of virtualbox through config.custom.yaml file

It is now possible to configure the box name, amount of memory and number of processors.
re #281 - Rename config file to box.config.yaml
Merge branch 'feature/281-name'
re #282 - Map shared path as an environmental variable
re #280 - Check back-end health first + ignore /apc and /phpinfo
Merge branch 'feature/280-varnish'
Add 3.1.0 release to CHANGELOG
re #280 - Deal with new bootstrapper and configure trusted proxies
Merge branch 'feature/280-varnish'