Defined multiple datastore engines support at once.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Not necessarely require Rakefile to exist in web-app root to detect RubySite.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Remove deploying lock file when no web app detected in web-app root dir.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>