
Make the default acl None / null so that the default bucket object acl
can be utilized.
Basically if no ACL is specified, the default acl specified for a bucket
is used. This defaults to project-private as discussed in another thread.


Revision created by MOE tool push_codebase.
MOE_MIGRATION=3878


git-svn-id: 126d714f35e1e20f248b8971ffc791fb0bebcf45@264 441dd3cb-e453-d85f-364a-b28e0c74875c

mikea/appengine-mapreduce,mikea/appengine-mapreduce,mikea/appengine-mapreduce,mikea/appengine-mapreduce