Updates to ensure everything is ready when JSAPI 4.0 is released:

• source code
  • core module
  • map module
  • inline ngDocs comments
• test pages
  • unit tests
  • e2e tests
• docs site
  • update all links pointing back to JSAPI docs
  • examples should match JSAPI examples (e.g. titles, modules, and methods used)
  • patterns should continue to match JSAPI guides and conventions
  • other milestone v2.0.0 open issues
  • deal with open PR 257
• readme
  • versions table (with proper url links to jsapi docs)
  • quick start example (esri, npmcdn, etc. script and css library urls)
  • make sure quick start example works in standalone html page
• changelog
  • update while working through everything above