message: release: cut the 3.1.1 release
diff: {
  "private": true,
  "name": "nativescript-angular",
  - "version": "3.1.0",
  + "version": "3.1.1",
  "description": "An Angular renderer that lets you build mobile apps with NativeScript.",
  "homepage": "https://www.nativescript.org/",
  "bugs": "https://github.com/NativeScript/nativescript-angular/issues",
  