Only using explicit namespace when deserializing key pb.#292

Merged

tseaver merged 2 commits intogoogleapis:masterfrom

dhermes:unmarshall-key-namespace

Oct 27, 2014

Commits on Oct 23, 2014

Only using explicit namespace when deserializing key pb.
dhermes
committed

Commits on Oct 24, 2014

Adding checks for namespace in datastore helpers test.
dhermes
committed