Fixed global scripts being saved even if they fail validation.
The administrator will no longer leave the global scripts pane if the scripts fail to save.
Issue: MIRTH-2700
Updated Rhino from 1.7r4 to the 1.7R5-SNAPSHOT rhino-1.7R5-20120629.144839-4.jar from http://dev.nightlabs.org/maven-repository/repo/org/mozilla/rhino/1.7R5-SNAPSHOT/
Issue: MIRTH-2703