message: Bump analyzer package.json version for release.
diff: {
  "name": "polymer-analyzer",
  - "version": "3.1.1",
  + "version": "3.1.2",
  "description": "Static analysis for Web Components",
  "homepage": "https://github.com/Polymer/tools/tree/master/packages/analyzer",
  "repository": "github:Polymer/tools",
  