Update how_to_install_dev_env.md
Update how_to_install_dev_env.md
updates for uuid
Merge pull request #23 from VFoteinos/master

Update to include uuid as user key in Django model
Break create_cluster in modules. Create legacy & docs directories
Re-introduce README.md
Remove before update from grnet repo
Break create_cluster in modules and ansible structuring
Break create_cluster in modules and ansible structuring