EOModeler/EOModelerDocument.m: do not insert a model into EditingContext.
EOModeler/EOModelerEditor.m: avoid crash
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@30245 72102866-910b-0410-8b05-ffd578937521
Install into GNUSTEP_SYSTEM_ROOT by default.
* * Update email addresses for Mirko Viviani and David Ayers.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@23510 72102866-910b-0410-8b05-ffd578937521