history action for published element controllers
new event for tab selection in catalogue element view
improved tree view for panels and long names
reworked index demo page
added ui router to karma config
dropped showCatalogueElement event in name of mc.resource.show state
WIP migration to ui.router
made abstract states working properly
working tabs history and resource list paging
working pagination within tabs
removed unused event
showing history #119
added parameter to fetch top level models
adding simple index and unindex functionality
Merge branch 'develop' into feature/dataarchitect-importer

Conflicts:
	ModelCatalogueCorePlugin/grails-app/domain/org/modelcatalogue/core/PublishedElement.groovy
	ModelCatalogueCorePlugin/test/integration/org/modelcatalogue/core/PublishedElementServiceIntegrationSpec.groovy
redoing publishing element unique id
fixing get bare version of model catalogue id method to use new unique id
changes to published element RE: new id
Merge branch 'develop' into feature/dataarchitect-importer
prototype of new model view