catch JS errors

app/app/services/document.js

@@ -211,6 +211,9 @@ export default Ember.Service.extend({
 	getMeta(documentId) {
 		return this.get('ajax').request(`documents/${documentId}/meta`, {
 			method: "GET"
+		}).then((response) => {
+			return response;
+		}).catch(() => {
 		});
 	},
 
@@ -265,6 +268,7 @@ export default Ember.Service.extend({
 		}).then((response) => {
 			let data = this.get('store').normalize('page-meta', response);
 			return this.get('store').push(data);
+		}).catch(() => {
 		});
 	},
 

app/app/services/section.js

@@ -67,6 +67,9 @@ export default BaseService.extend({
 			}
 
 			return pages;
+		}).catch((/*error*/) => {
+			// we ignore any error to cater for anon users who don't
+			// have permissions to perform refresh
 		});
 	},