Add an object describing the master network parameters
Add an object describing the master network parameters

This will be used in the RPC call to the node daemon asking
it to set up the master IP address.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>

andir/ganeti,onponomarev/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,yiannist/ganeti,yiannist/ganeti,grnet/snf-ganeti,andir/ganeti,yiannist/ganeti,ganeti/ganeti,apyrgio/ganeti,ganeti/ganeti,bitemyapp/ganeti,mbakke/ganeti,andir/ganeti,leshchevds/ganeti,apyrgio/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,leshchevds/ganeti,mbakke/ganeti,leshchevds/ganeti,ganeti/ganeti,onponomarev/ganeti,mbakke/ganeti