mozilla/addon-sdk — pull request #542 by ZER0 (2012-08-30 14:39:28+00:00)
Title: Bug 748086 - Factors out usages of synchronous XHR requests

- Introduced `api-utils/url/io`	module
- Added	docs and unit test
- Updated modules to use the new modules (except `tab-browser` because is going	to be deprecated)
- Deprecated `require("api-utils/utils/data").getChromeURIContent`, left for internal uses.
- Replaced `console.warn` with `console.error` for deprecated functions in `data.js` (see bug 785826)