message: Made version in package 3.0.0-pre.0 to facilitate np's version incrementer during publish.
diff: {
  "name": "polymer-analyzer",
  - "version": "2.7.0",
  + "version": "3.0.0-pre.0",
  "description": "Static analysis for Web Components",
  "homepage": "https://github.com/Polymer/polymer-analyzer",
  "bugs": "https://github.com/Polymer/polymer-analyzer/issues",
  