I added a check for whether the curriculum package is installed or not to the default-master.\nIf it is installed, the (possibly empty) bar will be included.\nThis won't fail even if there's no instance of curriculum mounted (knock wood)
Fixed an error caused by a PG 7.3 incompatibility with earlier versions. Youcan no longer subtract an integer from a timestamp but rather must explicitlycast it to an interval number of days.
making skin, acs-content, acs-util packages not be part of core by setting initial_install_p=f. The packages are essentially obsolete or at least not required by acs-core.