add stats
Merge pull request #34 from xiangli-cmu/master

add stats
add rpc
Merge pull request #35 from xiangli-cmu/master

add rpc
add a failure chan to detect instancd failure
Merge pull request #36 from xiangli-cmu/master

add a failure chan to detect instancd failure
add LB remove instance listener
Merge pull request #37 from fengjingchao/dev

add LB remove instance listener
failure channel
Merge pull request #38 from xiangli-cmu/master

failure channel
finish c/r demo
add failureInstanceEvent
Merge pull request #39 from xiangli-cmu/master

add failureInstanceEvent
let router know where is the contoller
add rpc for reportFailure
Merge pull request #40 from xiangli-cmu/master

let router know where is the contoller
finish demo instance
reportFailure
Merge pull request #41 from xiangli-cmu/master

reportFailure
Merge branch 'master' of github.com:go-distributed/raccoon into dev

Conflicts:
	router/router.go