Repository endpoint tags pagination (#3238)

* endpoint/api/repository: limit the number of tags returned

- Limit the number of tags returned by /api/v1/repository/<ns:repo> to 500.
- Uses the tag history endpoint instead, with an active tag filte.
- Update UI to use tag history endpoint instead.

static/js/pages/app-view.js

@@ -25,7 +25,8 @@
       var params = {
         'repository': $scope.namespace + '/' + $scope.name,
         'repo_kind': 'application',
-        'includeStats': true
+        'includeStats': true,
+        'includeTags': false
       };
 
       $scope.repositoryResource = ApiService.getRepoAsResource(params).get(function(repo) {