Upgrade to TypeScript 2.2

package.json

@@ -68,7 +68,7 @@
     "rimraf": "^2.5.4",
     "tslint": "latest",
     "tslint-test-config-non-relative": "file:test/external/tslint-test-config-non-relative",
-    "typescript": "2.1.4"
+    "typescript": "2.2.1"
   },
   "license": "Apache-2.0",
   "engines": {

test/rules/no-floating-promises/promises/test.ts.lint

@@ -1,16 +1,16 @@
-class Promise {
-    then(): Promise;
+class Promise<T> {
+    then(): Promise<T>;
 }
 
 function returnsPromiseFunction() {
-    return new Promise();
+    return new Promise<void>();
 }
 
-const returnsPromiseVariable = () => new Promise();
+const returnsPromiseVariable = () => new Promise<void>();
 
 class ReturnsPromiseClass {
     returnsPromiseMemberFunction() {
-        return new Promise();
+        return new Promise<void>();
     }
 
     returnsPromiseMemberVariable = () => new Promise();