Initial script
- checking for root user
Checking for python

Check if python 2.x exist if not we need to install it, if is in the 3.x version,
we need 2.x
Checking if git is installed

Checks for 1.7.9 because is the version I used when I started to
write this script

If is not installed, then use apt to install it.
Installing Ansible

Installing Ansible from the repository, so we have the most current version.

We are going to use Ansible to provision our dev machines.
Adding README file
Fixing typo