foam.build.BuildApp: Fix model blacklisting.
foam.build.BuildApp: Fix model blacklisting.

mdittmer/foam,foam-framework/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,mdittmer/foam,jlhughes/foam,jlhughes/foam,jacksonic/foam,osric-the-knight/foam,jacksonic/foam,jlhughes/foam,jlhughes/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam,mdittmer/foam,foam-framework/foam,mdittmer/foam,jacksonic/foam,osric-the-knight/foam