Fixed validation classifier, added clean plugin to prevent gwt-user from being deployed to GAE, upgraded to GAE 1.4.2, gwt-maven-plugin 2.2.0

Review at http://gwt-code-reviews.appspot.com/1377802

Review by: rchandia@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9832 8db76d5a-ed1c-0410-87a9-c151d255dfc7
1 file changed