Merge pull request #436 from nobodyiam/fix-instance-config-with-no-release

filter instance configs with null release for not latest config instances

apollo-portal/src/main/resources/static/scripts/directive/namespace-panel-directive.js

@@ -260,6 +260,10 @@ directive_module.directive('apollonspanel',
                                                            if (configs && configs.length > 0) {
                                                                configs.forEach(function (instanceConfig) {
                                                                    var release = instanceConfig.release;
+                                                                   //filter dirty data
+                                                                   if (!release) {
+                                                                       return;
+                                                                   }
                                                                    if (!groupedInstances[release.id]) {
                                                                        groupedInstances[release.id] = [];
                                                                        notLatestReleases.push(release);