Adding new Configuration schema

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Adding appbackend, using node-config middleware with confview

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Adding config example for other applications and UI config template

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Replacing node-config with our fork version

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>