docs(CHANGELOG): update for 0.6.0 release

CHANGELOG.md

 # go-graphsync changelog
 
+# go-graphsync 0.6.0
+
+Major code refactor for simplicity, ease of understanding
+
+### Changelog
+
+- github.com/ipfs/go-graphsync:
+  - move block allocation into message queue (#140) ([ipfs/go-graphsync#140](https://github.com/ipfs/go-graphsync/pull/140))
+  - Response Assembler Refactor (#138) ([ipfs/go-graphsync#138](https://github.com/ipfs/go-graphsync/pull/138))
+  - Add error listener on receiver (#136) ([ipfs/go-graphsync#136](https://github.com/ipfs/go-graphsync/pull/136))
+  - Run testplan on in CI (#137) ([ipfs/go-graphsync#137](https://github.com/ipfs/go-graphsync/pull/137))
+  - fix(responsemanager): fix network error propogation (#133) ([ipfs/go-graphsync#133](https://github.com/ipfs/go-graphsync/pull/133))
+  - testground test for graphsync (#132) ([ipfs/go-graphsync#132](https://github.com/ipfs/go-graphsync/pull/132))
+  - docs(CHANGELOG): update for v0.5.2 ([ipfs/go-graphsync#130](https://github.com/ipfs/go-graphsync/pull/130))
+
+### Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| Alex Cruikshank | 4 | +3269/-1919 | 47 |
+| Hannah Howard | 2 | +112/-20 | 13 |
+
 # go-graphsync 0.5.2
 
 Minor release resolves bugs in notification system

responsemanager/responseassembler/peerlinktracker.go

@@ -3,9 +3,10 @@ package responseassembler
 import (
 	"sync"
 
+	"github.com/ipld/go-ipld-prime"
+
 	"github.com/ipfs/go-graphsync"
 	"github.com/ipfs/go-graphsync/linktracker"
-	"github.com/ipld/go-ipld-prime"
 )
 
 type peerLinkTracker struct {

testplans/graphsync/main.go

@@ -11,14 +11,13 @@ import (
 	"strings"
 	"time"
 
-	badgerds "github.com/ipfs/go-ds-badger"
 	"github.com/dustin/go-humanize"
 	allselector "github.com/hannahhoward/all-selector"
 	"github.com/ipfs/go-blockservice"
 	"github.com/ipfs/go-cid"
 	ds "github.com/ipfs/go-datastore"
 	dss "github.com/ipfs/go-datastore/sync"
-	"github.com/ipfs/go-graphsync/storeutil"
+	badgerds "github.com/ipfs/go-ds-badger"
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
 	chunk "github.com/ipfs/go-ipfs-chunker"
 	offline "github.com/ipfs/go-ipfs-exchange-offline"
@@ -28,24 +27,23 @@ import (
 	"github.com/ipfs/go-unixfs/importer/balanced"
 	ihelper "github.com/ipfs/go-unixfs/importer/helpers"
 	cidlink "github.com/ipld/go-ipld-prime/linking/cid"
-	"github.com/libp2p/go-libp2p-core/metrics"
-	"github.com/testground/sdk-go/network"
-	"golang.org/x/sync/errgroup"
-
-	gs "github.com/ipfs/go-graphsync"
-	gsi "github.com/ipfs/go-graphsync/impl"
-	gsnet "github.com/ipfs/go-graphsync/network"
-
 	"github.com/libp2p/go-libp2p"
 	"github.com/libp2p/go-libp2p-core/host"
+	"github.com/libp2p/go-libp2p-core/metrics"
 	"github.com/libp2p/go-libp2p-core/peer"
 	noise "github.com/libp2p/go-libp2p-noise"
 	secio "github.com/libp2p/go-libp2p-secio"
 	tls "github.com/libp2p/go-libp2p-tls"
-
+	"github.com/testground/sdk-go/network"
 	"github.com/testground/sdk-go/run"
 	"github.com/testground/sdk-go/runtime"
 	"github.com/testground/sdk-go/sync"
+	"golang.org/x/sync/errgroup"
+
+	gs "github.com/ipfs/go-graphsync"
+	gsi "github.com/ipfs/go-graphsync/impl"
+	gsnet "github.com/ipfs/go-graphsync/network"
+	"github.com/ipfs/go-graphsync/storeutil"
 )
 
 var testcases = map[string]interface{}{
@@ -409,7 +407,7 @@ func createDatastore(diskStore bool) ds.Datastore {
 	defopts := badgerds.DefaultOptions
 	defopts.SyncWrites = false
 	defopts.Truncate = true
-	datastore, err :=  badgerds.NewDatastore(path, &defopts)
+	datastore, err := badgerds.NewDatastore(path, &defopts)
 	if err != nil {
 		panic(err)
 	}