Initial Shaker V4 refactor, more robust error handling and configuration validation, limits how many files are processed in parallel, gives option to filter out resources, not using gear.js directly, using 'url' instead of 'name' when referring to resources, change shakerhtmlframe yui name.
Removed shaker.js and config.js, fixed some jslint errors
Updated version.
Merge branch 'master' of github.com:yahoo/mojito-shaker