Move in lite_deploy script that runtime uses

Runtime used to use a function called lite_deploy to interact with cf_deployer locally. It should be easier to refactor now that it lives closer to the rest of cf_deployer

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Convert to ruby so it is accessible via the installed gem

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>