updated test for Chomp.getBlob
hashing and hash ring objects
using mine
updated roots because f1lesystem change
added scheduled tasks for updating nodesAlive and nodesContent
Merge remote-tracking branch 'kpfell/master'

* kpfell/master:
  added scheduled tasks for updating nodesAlive and nodesContent
  updated roots because f1lesystem change
  hashing and hash ring objects
  updated test for Chomp.getBlob
Update to latest f1lesystem APIs
Remove Catalog.fs (no longer needed)
Ohter misc. minor changes