Administration new features

• Add an ip column
• Add a "detach" button, which detach instance from demoinstance but does not destroy it

Administration new features

• Add an ip column
• Add a "detach" button, which detach instance from demoinstance but does not destroy it

openstack network support

Merge pull request #16 from pmsipilot/neutron_network

Neutron network

Source code restructuration

Merge pull request #11 from pmsipilot/correctif-vagrantfile

fix(bug): Correctif vagrantfile