etcdhttp: s/TestServeAdminMembers*/TestServeMembers*/
Merge pull request #1501 from bcwaldon/rename-members-tests

etcdhttp: s/TestServeAdminMembers*/TestServeMembers*/
raft: add tests based on section 5.1 in raft paper
Merge pull request #1497 from unihorn/189

raft: add tests based on section 5.1 in raft paper
client: log incorrect HTTP resp body as string
httptypes: add MemberCreateRequest.MarshalJSON
client: use httptypes.MemberCreateRequest in member add
client: clean up style of TestMembersAPIActionList
client: test membersAPIActionRemove