message: Reworded kinda confusing line at the end of the README about why we move stuff out of the HEAD into the BODY.
diff: @@ -120,8 +120,7 @@ bundler.generateManifest([target]).then((manifest) => {
  ## Caveats
  -Because HTML Imports changes the order of execution scripts can have, polymer-bundler has to make a few compromises to achieve that same script
  -execution order.
  +In order to inlining the contents of HTML Import documents into the bundle, `polymer-bundler` has to make a few compromises to preserve valid HTML structure, script execution and style rule order:
  1. Contents of all HTML Import documents will be moved to `<body>`
  