Add toast notifications to SNMP page

Design team proposed that our error and success messages be
delivered as 'toast' messages on the right side of the screen.
This brings in ngToast and implements notifications on SNMP page.
Notifications will fade after 10 seconds or can be dismissed.

https://github.com/tameraydin/ngToast

Change-Id: I1053534cd1ab189ae5c2ac07e2a922acea231c70
Signed-off-by: beccabroek <beccabroek@gmail.com>
diff --git a/package-lock.json b/package-lock.json
index bffde60..9b131a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6052,6 +6052,27 @@
       "integrity": "sha512-vdqTKI9GBIYcAEbFAcpKPErKINfPF5zIuz3/niBfq8WUZjpT2tytLlFVrBgWdOtqI4uaA/Rb6No0hux39XXDuw==",
       "dev": true
     },
+    "ng-toast": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ng-toast/-/ng-toast-2.0.0.tgz",
+      "integrity": "sha1-f8Ez/AXohpCDDofNPR8ZPfHDNIM=",
+      "requires": {
+        "angular": "1.5.11",
+        "angular-sanitize": "1.5.11"
+      },
+      "dependencies": {
+        "angular": {
+          "version": "1.5.11",
+          "resolved": "https://registry.npmjs.org/angular/-/angular-1.5.11.tgz",
+          "integrity": "sha1-jFunOG8VllyazzQp9ogVU6raMNY="
+        },
+        "angular-sanitize": {
+          "version": "1.5.11",
+          "resolved": "https://registry.npmjs.org/angular-sanitize/-/angular-sanitize-1.5.11.tgz",
+          "integrity": "sha1-6/s/ND5UP5su8FD7TC6e4EjRdy8="
+        }
+      }
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",