Pipe Delimeters Should Not Be Displayed in Keyword Lists in Resource Descriptions

Currently, the Currikulum Builder displays pipe delimeters (vertical lines) in keyword lists associated with assets in the repository. These pipes should not be displayed to users. See Keywords field at: http://www.curriki.org/xwiki/bin/view/GWT/Editor?xpage=plain&page=Coll_NROCscience.CollegePrepPhysicsI