code: function(serviceRegistry, setup) {
  	this._setup = setup;
  	this._projectClient = serviceRegistry.getService("orion.project.client");
  	serviceRegistry.registerService("orion.edit.hover", this, {
  		name: 'Hover Evaluation',
  		contentType: ["application/javascript", "text/x-c++src", "text/x-python"] // TODO: get by sub-services
  	});
  }
docs: Provides hover evaluation by project
  @name orion.projects.HoverEvaluationService
  @param {orion.serviceregistry.ServiceRegistry} serviceRegistry
  @param {EditorSetup} setup - need this to get the current project