Merge pull request #14 from branflake2267/brandon-gwtCss

Brandon gwt css
Update archetypes/gwt-css/README.md
Update archetypes/gwt-css/README.md
Update archetypes/gwt-css/README.md
Update README.md
Update README.md
Update README.md
Tuned the archetype creator to refactor the package in pom.