Squashed commit of the following:

commit 554eb9aefceb56825a90ff22b12968caba36ded3
Author: chuck <chuck@eucalyptus.com>
Date:   Wed Feb 12 10:41:12 2014 -0800

    Validation of the nameservers list property
    EUCA-7814

commit a9fd2cf4c436b33dda3e24e844a8c3baed4c839d
Author: chuck <chuck@eucalyptus.com>
Date:   Wed Feb 12 10:21:08 2014 -0800

    Fix issue with dynamically updating the instances name servers
    EUCA-7814

commit 2f30674d23ca592aefc80aeab15836ba63e476c6
Author: chuck <chuck@eucalyptus.com>
Date:   Wed Feb 12 10:11:07 2014 -0800

    ignore the gradle artifacts