Fix typo
typo in Makefile.in 'clean' target
Merge pull request #435 from mitbra/make-clean-typo

typo in Makefile.in 'clean' target
Fix #433. Remove custom interfaces endpoint.
Merge pull request #427 from lucapette/fix_typo

Fix typo
Remove unused import. /me shakes fist @toddpersen
Add log output on error with openeing shard
use shard ids not server ids
fix another bug with initial recovery
Fix #440. Update protobuf client to clear out heartbeat requests after they've completed
Merge pull request #441 from influxdb/fix-440-heartbeat-timeouts

Fix #440. Update protobuf client to clear out heartbeat requests after t...
Update changelog
simplify the recovery logic
add a way to tell if the cluster is in sync or not
start the protobuf server after raft has initialized

Otherwise, we may get a protobuf request to write data to the local
shards which don't exist yet
use the same query spec
make the heartbeat backoff configurable

We mainly need this for testing. before this change the backoff
defaulted to 1 second and could get up to 10 seconds before the server
attempted to do another heartbeat.
log an error if the graphite plugin can't write data
get rid of tip, it's failing on travis
Be less verbose when servers go up and down