tree 3c2a732579ed6fbfbecf0eee11058059a05b2a0a
parent 7c0a833b8afd63e80355b5800cc0040bf12104f3
author Dave Borowitz <dborowitz@google.com> 1398967801 -0700
committer Dave Borowitz <dborowitz@google.com> 1399411893 -0700

Pass ObjectReaders directly into BlobSoyData/TreeSoyData

Note that Commmit*Data still needs the actual RevWalk to do a tree
diff.

Change-Id: I1a6976ea6508597c4734a864d9ff7994d4a8edd4