etcdserver: fix data race in retrieving self stats
etcdserver: fix race and improve stats interfaces
etcdserver: copy stats instead of marshaling with lock
etcdserver/stats: log any marshaling error
store: remove more unused code
store: remove unused function
store: remove another unused function
etcdserver/stats: lock on leaderstats too
Update clients-matrix.md

Fix new boon etcd client entry so it complies to the rest of the entries with Y instead of F for HTTPS and Reconnect. Also fix the sorting.
Merge pull request #1326 from jurmous/patch-1

Update clients-matrix.md
Merge pull request #1325 from jonboulle/store_cleaner_still

store: remove unused code
Merge pull request #1319 from jonboulle/stats_race

etcdserver: fix data race in retrieving self stats
discovery: switch to fake clock
godeps: add clockwork
store: switch to fake clock
etcdserver/etcdhttp: switch to using fake clock
godep: update clockwork dependency
store: restore minExpireTime check and advance FakeClock appropriately