doc: fix listing a directory
integration: add remaining goroutine check
Merge pull request #1344 from unihorn/176

integration: add remaining goroutine check
Merge pull request #1294 from kelseyhightower/issue_619_fix_listing_docs

doc: fix listing a directory
integration: skip TestGoroutinesRunning
Merge pull request #1346 from unihorn/178

integration: fix master
etcdserver: record removed member to check incoming message
etcdserver: Member.storeKey -> memberStoreKey
etcdserver: add isKeyNotFound helper func
etcdhttp: do message statistics only on valid ones
etcdserver: clean code