There were some references to "clear.cache.gif" that did not have
GWT.getModuleBaseURL() prepended to them. This caused problems when the host
page path did not match the module's script path.

Issue: 1147
Patch by: martin.portmann, rdayal
Review by: jgw



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1221 8db76d5a-ed1c-0410-87a9-c151d255dfc7