UIFR-225: Authentication UI Login Page doesn't work after upgrade to …

…OpenMRS 2.6.11

api/src/main/java/org/openmrs/ui/framework/extension/ExtensionManager.java

@@ -114,6 +114,7 @@ public <T extends Extension> Map<String, T> getExtensionsByClass(Class<T> clazz)
 	 */
 	public List<String> getExtensionPointConfiguration(String pointId) {
 		try {
+			// we proxy this because this method ends up being called from the AuthenticationUI login page
 			Context.addProxyPrivilege(PrivilegeConstants.GET_GLOBAL_PROPERTIES);
 			String gp = Context.getAdministrationService().getGlobalProperty("ui2.extensionConfig." + pointId);
 			return gp == null ? null : Arrays.asList(gp.split(","));