Form validation for VizProject on add. Validation for vizlayer(s) remains a todo.
Form validation for VizProject on add. Validation for vizlayer(s) remains a todo.

neurodata/NeuroDataViz,openconnectome/NeuroDataViz,neurodata/NeuroDataViz,openconnectome/NeuroDataViz,neurodata/NeuroDataViz,openconnectome/NeuroDataViz