Fix: support large schemas in schema browser

bower.json

@@ -35,7 +35,8 @@
     "angular-resizable": "^1.2.0",
     "material-design-iconic-font": "^2.2.0",
     "plotly.js": "^1.9.0",
-    "angular-ui-ace": "bower"
+    "angular-ui-ace": "bower",
+    "angular-vs-repeat": "^1.1.7"
   },
   "devDependencies": {
     "angular-mocks": "1.2.18",

rd_ui/app/scripts/app.js

@@ -18,7 +18,8 @@ angular.module('redash', [
   'naif.base64',
   'ui.bootstrap.showErrors',
   'angularResizable',
-  'ngSanitize'
+  'ngSanitize',
+  'vs-repeat'
 ]).config(['$routeProvider', '$locationProvider', '$compileProvider', 'growlProvider', 'uiSelectConfig', '$httpProvider',
   function ($routeProvider, $locationProvider, $compileProvider, growlProvider, uiSelectConfig, $httpProvider) {
     function getQuery(Query, $route) {

rd_ui/app/vendor_scripts.html

@@ -40,4 +40,5 @@
 <script src="/bower_components/d3/d3.js"></script>
 <script src="/bower_components/angular-ui-sortable/sortable.js"></script>
 <script src="/bower_components/angular-ui-ace/ui-ace.js"></script>
+<script src="/bower_components/angular-vs-repeat/src/angular-vs-repeat.js"></script>
 <!-- endbuild -->

rd_ui/app/views/query.html

@@ -98,11 +98,11 @@
       <div class="row bg-white p-b-5" ng-if="sourceMode" resizable r-directions="['bottom']" r-height="300" style="min-height:100px;">
 
         <div class="col-md-3 schema-container hidden-sm hidden-xs" ng-show="hasSchema">
-          <div ng-show="schema.length < 500" class="p-t-5 p-b-5">
+          <div class="p-t-5 p-b-5">
             <input type="text" placeholder="Search schema..." class="form-control" ng-model="schemaFilter">
           </div>
 
-          <div class="schema-browser">
+          <div class="schema-browser" vs-repeat>
             <div ng-repeat="table in schema | filter:schemaFilter track by table.name">
               <div class="table-name" ng-click="table.collapsed = !table.collapsed">
                 <i class="fa fa-table"></i> <strong><span title="{{table.name}}">{{table.name}}</span><span