pentaho/pentaho-platform — pull request #1377 by aliakseihaidukou (2014-04-02 14:57:54+00:00)
Title: BISERVER-10134 - Getting warnings about unsaved admin changes upon *ente...

...ring* the admin perspective

migrated from GwtConfirmBox to MessageDialogBox;
intercept switching to other perspective with showing a message to the user