Add MainRoleOnInappropriateElement audit rule, allow multiple ARIA roles
Add closure base.js and include in closure compiler command; update externs.js to work with latest closure compiler
Support for getting the URIs of all child iframes of a page.
Test case for multiple ARIA roles.
Minor cleanup.
Fix bug when attempting to parse data from postMessage(); add some logging spam
Store versions of iframe URLs with and without fragments
Store only fragment-less versions of URIs
Changes from upstream
Add MainRoleOnInappropriateElement audit rule, allow multiple ARIA roles
Add license header to BrowserUtils.js; remove references to JSON from externs.js