move variable definition
freshen tools
Update build.json: reorder files

With the previous order I am seeing errors when loading the html-imports.min.js file ("Uncaught ReferenceError: HTMLImports is not defined").
Merge pull request #24 from sigmundch/patch-1

Update build.json: reorder files
fix order in loader and build config
whitespace
fix ordering that got mixed up in commit races
Merge pull request #25 from Polymer/master

8/1 master -> stable