Moved Archiving to plugins.  Added two new multi_pgbouncer plugins.  Now time for testing!
More archiving cleanup.  Added wsgi file and sample apache config.  Now just needs testing.
Merge remote-tracking branch 'origin/master' into joshdev
Fixing bugs with archiving; intermediate push.  Added a bunch of methods to failplugin so that it would return more meaningful errors.
Fixed bugs in archive_two_servers, retesting.
Bunch of bug fixes,  added archive functions to the API.
More MPP bug fixes.
Final cleanup of the MPP/Archiving branch.  Merging soon.
Hopefully the final bugfix cleanup before merge.
Final final bugs on this branch.  Really!