Adding Postgis extension

Merge branch 'master' of https://github.com/TrueHome/Magic-VM-for-Data-Science

Small README update

extra 's' removed in restart postgres command

README format

Updating vm to install python packages on it’s own virtualenv

Update README.md

Update README.md

Removing config.vm.box.url

format

Updating README with brew, Vagrant and Ansible

Adding a small description and requirements to the Readme

Initial Commit

Initial commit