This reverts commit c1b153b.
This reverts commit 0549ed9.
This is an interim fix that should work for the RESTAdapter but doesn't have enough conveniences in DS.Adapter to be a good API for general purpose. We plan to add mixins (DS.ForeignKey, etc.) for the common use-cases so that adapters typically don't have to do this kind of bookkeeping.
…e store Otherwise, in case some one call commit directly on the transaction, and the transaction is defaultTransaction, the store will be left with the old defaultTransaction