fix(tslint): Corrected tslint errors

Author: hypery2k

references.d.ts

@@ -1,5 +1,4 @@
-/// <reference path="./node_modules/tns-core-modules/tns-core-modules.es6.d.ts" /> 
-
+/// <reference path="./node_modules/tns-core-modules/tns-core-modules.es6.d.ts" />
 declare type FormData = any;
 declare var FormData;
 declare type Blob = any;