Updated auth-client to 2.2.0 (blackbaud#344)

Author: Blackbaud-PaulCrowder

package.json

@@ -42,7 +42,7 @@
     "@angular/platform-browser": "4.3.6",
     "@angular/platform-browser-dynamic": "4.3.6",
     "@angular/router": "4.3.6",
-    "@blackbaud/auth-client": "2.0.0",
+    "@blackbaud/auth-client": "2.2.0",
     "@blackbaud/skyux-lib-help": "1.1.0",
     "@ngtools/webpack": "1.3.1",
     "@types/core-js": "0.9.41",