ProjectDemo: fix up the commit metadata again, there were exceptions when adding attributes in the last version. This has a weird bug now, insert text shows up as '' in the undo window and cottectly in the history window :-/

git-svn-id: http://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/CoreObject@10103 7b3f36aa-e6db-49c1-8b4c-66eac1997e64