on delete graph, go to first graph; closes #355
on delete graph, go to first graph; closes #355

instead of closing project, go to first graph or component if exists

rasata/noflo-ui,rasata/noflo-ui,oportocala/noflo-ui,noflo/noflo-ui,rdf-pipeline/noflo-server,lxfschr/noflo-ui,rdf-pipeline/noflo-server,taylorzane/noflo-ui,oportocala/noflo-ui,lxfschr/noflo-ui,taylorzane/noflo-ui,noflo/noflo-ui,flyboarder/noflo-ui