Add extended tables for client status.
Have the client use verbose as appropriate.  Order site table output.
Merge pull request #4001 from mmascher/htcondor_poc

Switch to using python pickle for serializing the pset (instead of the unreliable dumpProcess).

Fix handling of oneEventMode.
Attempt implementation of UserFileCache.
Version bump.
Fix UFC submission.
Check user certificate expiration date before doing myproxy-delegation. Fixes #3961