* New role for nginx, main.yml will install the nginx package
* By default create the basic version nginx config
* Add variables for nginx package version and template in group_vars/all
* Refresh apt-cache in common role

* Created new directory structure outlined in the README
* Created the LMS role which for now just creates teh application config
files
* Created the common role
* Updated the cf playbook to accept arguments

changed ansible version to 1.1 in requirements.txt
updated the ec2 tag in test.yaml

- remove requirement on current dev version of ansible (1.2), latest
  distributed packate is 1.1
- don't install distribute, horks your virtual environment

Adding params to the sample cloudformation template
Adding a requirements.txt