Node-Config Middleware First Version

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Bind the whole model to node-config

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Reset config runtime file on delete

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Merge pull request #4 from inaes-tic/crear/config-middleware

Crear/config middleware