Interim checkin.  Initial support for "devices".
Revert "Interim checkin.  Initial support for "devices"."

This reverts commit 58a28cdc23581e64a332ebd58e64fe853212b181.
Merge branch 'master' of /srv/GITROOT/Tardis
Updated CacheDir to handle some errors better.
Merge branch 'master' of /srv/GITROOT/Tardis
Merge branch 'master' of /srv/GITROOT/Tardis
Added config table to tardis.sql
Added some error handling around sendContent.  More needed.  Interim checkin to allow some other branches to proceed.
Improving handling of errors in listdir.
Changed the protocol so that many messages are sending a (device, inode) tuple instead of just the inode.
Various more improvements around sending the device ID back and forth.
Modified logging to better handle multiple connections.
Merge /srv/GITROOT/Tardis
Fixed a couple more problems with the (dev, inode) tuples.
Revved the version number.