*: appc/cni -> containernetworking/cni

The project has been moved so internally we simply rename everything.
Consumers are recommended to update their vendored version of cni.

plugins/ipam/host-local/allocator.go

@@ -18,9 +18,9 @@ import (
 	"fmt"
 	"net"
 
-	"github.com/appc/cni/pkg/ip"
-	"github.com/appc/cni/pkg/types"
-	"github.com/appc/cni/plugins/ipam/host-local/backend"
+	"github.com/containernetworking/cni/pkg/ip"
+	"github.com/containernetworking/cni/pkg/types"
+	"github.com/containernetworking/cni/plugins/ipam/host-local/backend"
 )
 
 type IPAllocator struct {

plugins/ipam/host-local/config.go

@@ -19,7 +19,7 @@ import (
 	"fmt"
 	"net"
 
-	"github.com/appc/cni/pkg/types"
+	"github.com/containernetworking/cni/pkg/types"
 )
 
 // IPAMConfig represents the IP related network configuration.

plugins/ipam/host-local/main.go

@@ -15,10 +15,10 @@
 package main
 
 import (
-	"github.com/appc/cni/plugins/ipam/host-local/backend/disk"
+	"github.com/containernetworking/cni/plugins/ipam/host-local/backend/disk"
 
-	"github.com/appc/cni/pkg/skel"
-	"github.com/appc/cni/pkg/types"
+	"github.com/containernetworking/cni/pkg/skel"
+	"github.com/containernetworking/cni/pkg/types"
 )
 
 func main() {