1. In BundleTransformer.Less added support of LESS version 2.1.0;
2. In BundleTransformer.CoffeeScript updated CoffeeScript to commit 4199f4f325;
3. In BundleTransformer.TypeScript improved performance;
4. In BundleTransformer.MicrosoftAjax:
	4.1. Added support of the Microsoft Ajax Minifier version 5.12;
	4.2. In CSS minification settings added new property - `RemoveEmptyBlocks` (default `true`);
5. In BundleTransformer.Yui fixed a bug that occurs during processing of null or empty strings by the YUI minifiers;
6. In BundleTransformer.UglifyJs:
	6.1. UglifyJS was updated to commit f36a1eaa8b;
	6.2. In parsing settings added new property - `BareReturns` (default `false`);
7. In BundleTransformer.CleanCss added support of Clean-css version 2.2.19.