Migrated over changes to move some GIF resources into a common subdirectory in the subsite package, so anyone who can read the main site can read the images (previously you had to grant read privs to "/doc" explicitly to get the graphics stored by acs-datetime to show up.
chaing catalog import proc so that import for uninstalled packages is not an upgrade, also if the version number in the catalog file is lower than that of the package it's not an upgrade