Add repository list pagination

Also changes our binds to be bind-once, which should significantly reduce memory and increase performance for large lists

Fixes #1856

static/js/directives/ng-image-watch.js

@@ -8,11 +8,15 @@ angular.module('quay').directive('ngImageWatch', function ($parse) {
       var fn = $parse(attr['ngImageWatch']);
       return function(scope, element) {
         element.bind('error', function() {
-          fn(scope, {result: false});
+          scope.$apply(function() {
+            fn(scope, {result: false});
+          })
         });
 
         element.bind('load', function() {
-          fn(scope, {result: true});
+          scope.$apply(function() {
+            fn(scope, {result: true});
+          })
         });
       }
     }