* Fixed bugs in the podcasting system that caused corrupt URLs
to be generated for GUID and image tags for items contained in
a superfeed.
* Commented out file posting code in the web version of
RDCastManager.
* Disabled the 'Post from Cart/Cut', 'Post from File', 'Edit' and
'Delete' buttons when showing a superfeed in the 'Podcast List'
dialog of rdcastmanager(1).
* Fixed a bug where '<enclosure>' tags in RSS Superfeeds were rendered
with an incorrect 'url=' attribute.
* Added indentation formatting on RSS XML feeds.
* Added a 'FEEDS.AUDIENCE_METRICS' field to the database.
* Incremented the database version to 316.
* Added a 'Collect Audience Metrics' checkbox to the 'Feed'
dialog in rdadmin(1).
* Added an 'RDTransfer' base class.
* Rebased 'RDDelete' to 'RDTransfer'.
* Added 'sftp' support to 'RDDelete'.
* Added 'file' support to 'RDDelete'.
* Refactored RSS generation to occur in 'RDFeed'.
* Added a 'delete_test' test harness.