dep: update libp2p, datastore, and the dht

* fixes https://github.com/ipfs/go-ipfs/issues/5613#issuecomment-479743031
* fixes some relay perf issues
* improves datastore query performance

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/ipfs/go-blockservice v0.0.3
 	github.com/ipfs/go-cid v0.0.1
 	github.com/ipfs/go-cidutil v0.0.1
-	github.com/ipfs/go-datastore v0.0.3
+	github.com/ipfs/go-datastore v0.0.5
 	github.com/ipfs/go-detect-race v0.0.1
 	github.com/ipfs/go-ds-badger v0.0.3
 	github.com/ipfs/go-ds-flatfs v0.0.2
@@ -63,14 +63,14 @@ require (
 	github.com/jbenet/go-random-files v0.0.0-20190219210431-31b3f20ebded
 	github.com/jbenet/go-temp-err-catcher v0.0.0-20150120210811-aac704a3f4f2
 	github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8
-	github.com/libp2p/go-libp2p v0.0.12
+	github.com/libp2p/go-libp2p v0.0.15
 	github.com/libp2p/go-libp2p-autonat-svc v0.0.5
 	github.com/libp2p/go-libp2p-circuit v0.0.4
 	github.com/libp2p/go-libp2p-connmgr v0.0.1
 	github.com/libp2p/go-libp2p-crypto v0.0.1
 	github.com/libp2p/go-libp2p-host v0.0.1
 	github.com/libp2p/go-libp2p-interface-connmgr v0.0.1
-	github.com/libp2p/go-libp2p-kad-dht v0.0.7
+	github.com/libp2p/go-libp2p-kad-dht v0.0.9
 	github.com/libp2p/go-libp2p-kbucket v0.1.1
 	github.com/libp2p/go-libp2p-loggables v0.0.1
 	github.com/libp2p/go-libp2p-metrics v0.0.1
@@ -102,7 +102,7 @@ require (
 	github.com/multiformats/go-multihash v0.0.2
 	github.com/opentracing/opentracing-go v1.0.2
 	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829
 	github.com/syndtr/goleveldb v1.0.0
 	github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc
 	github.com/whyrusleeping/go-smux-multiplex v3.0.16+incompatible
@@ -116,10 +116,7 @@ require (
 	go.uber.org/goleak v0.10.0 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e
-	golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e // indirect
-	gopkg.in/airbrake/gobrake.v2 v2.0.9 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
-	gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2 // indirect
 	gotest.tools/gotestsum v0.3.3
 )