Merge pull request #69 from johndavidge/service-network-selection

Put back default network names if not user specified and fixed inspector bug.
Added dialog for ambiguous network match
Merge branch 'network-prototype' of github.com:juju/juju-gui into ambiguous-network
Fixed bug causing erroneous config options to be picked up as networks on service deploy.
Merge branch 'network-prototype' of github.com:juju/juju-gui into service-network-selection
Better comments
Merge pull request #70 from bradleyjones/ambiguous-network

Added dialog for ambiguous network match
Merge branch 'network-prototype' of github.com:juju/juju-gui into service-network-selection