Fix tsc on Windows - globbing doesn't work there.

There's probably a cleaner way to do this...

package.json

@@ -18,7 +18,7 @@
     "lint": "tslint \"{src,plugins,tasks}/**/*.ts\" --fix",
     "prepare": "npm run lint && npm run build && npm test",
     "prebuild": "rimraf lib",
-    "build": "tsc --declaration && tsc tasks/*.ts --noEmit --skipLibCheck && webpack",
+    "build": "tsc --declaration && tsc -p tasks && webpack",
     "postbuild": "ts-node tasks/post-build"
   },
   "repository": {

tasks/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "noEmit": true
+  },
+  "include":[
+    "*.ts"
+  ]
+}
+