Reviewers: rdayal, scottb, zundel, Description: Use more faster string split in critical places.
Please review this at http://gwt-code-reviews.appspot.com/1262802/show Affected files: dev/core/src/com/google/gwt/dev/resource/impl/PathPrefixSet.java dev/core/src/com/google/gwt/dev/resource/impl/ZipFileClassPathEntry.java dev/core/src/com/google/gwt/dev/resource/impl/ZipFileResource.java dev/core/src/com/google/gwt/dev/util/Util.java dev/core/test/com/google/gwt/core/ext/util/UtilTest.java -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
