Update KO template type dependencies. Fixes #397.

templates/KnockoutSpa/package.json

@@ -4,6 +4,7 @@
   "devDependencies": {
     "@types/core-js": "^0.9.34",
     "@types/crossroads": "0.0.29",
+    "@types/es6-promise": "0.0.32",
     "@types/history": "^2.0.38",
     "@types/jquery": "^2.0.32",
     "@types/knockout": "^3.4.35",

templates/KnockoutSpa/tsconfig.json

@@ -3,7 +3,8 @@
     "moduleResolution": "node",
     "target": "es5",
     "sourceMap": true,
-    "skipDefaultLibCheck": true
+    "skipDefaultLibCheck": true,
+    "types": ["es6-promise", "history", "requirejs", "whatwg-fetch"]
   },
   "exclude": [
       "bin",