incorporate daveb's search for survey, add initial (poor) rss support, fix the one-survey url to work as a search target, make package_id and title propigate to acs_objects. bump to 5.2.0d2, someone who cares should make oracle work too
change ad_verify_and_get_user_id to ad_conn user_id, change ad_maybe_redirect_for_registration to auth::require_login, make some db_ and dt_ function -public
- Moving Malte's enhanced survey from the accidentally-created "oacs4" repository he created into openacs-4/contrib.- Malte's commit line was: "Added new survey module version for head."