get validaiton objects on context

ref #remote-presets

modules/util/index.js

@@ -8,6 +8,7 @@ export { utilEditDistance } from './util';
 export { utilEntitySelector } from './util';
 export { utilEntityOrMemberSelector } from './util';
 export { utilExternalPresets } from './util';
+export { utilExternalValidationRules } from './util';
 export { utilFastMouse } from './util';
 export { utilFunctor } from './util';
 export { utilGetAllNodes } from './util';

modules/util/util.js

@@ -270,3 +270,7 @@ export function utilNoAuto(selection) {
 export function utilExternalPresets() {
     return utilStringQs(window.location.hash).hasOwnProperty('presets');
 }
+
+export function utilExternalValidationRules() {
+    return utilStringQs(window.location.hash).hasOwnProperty('validations');
+}