virtualbox_script: Add VboxManage commands to 'configure boot2docker' section.
virtualbox_script: Add VboxManage commands to 'configure boot2docker' section.

slashk/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server