Changes in container funcs to allow options when creating containers, in...

Changes in container funcs to allow options when creating containers, in templates to allow nested containers. Changes in RO scripts to install packages and dependencies before building

Change-Id: Ie3a631387268f5a94dec3414ff103700ae743f4b
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>