Update README.md
Update README.md
issue #70: css -> css-ometajs, css-fast -> css
issue #70: css -> css-ometajs, css-fast -> css
issue #57: check path existance before link check
error messages added
issue #55: correct URL processing from AlphaImageLoader
Merge pull request #72 from veged/fixpack

Fixpack
issue #64: friendly error in case of invalid config