Update vendor directory and make necessary code changes

Fixes for new geth version

vendor/github.com/ipfs/go-ipfs/plugin/daemon.go

@@ -0,0 +1,14 @@
+package plugin
+
+import (
+	coreiface "github.com/ipfs/interface-go-ipfs-core"
+)
+
+// PluginDaemon is an interface for daemon plugins. These plugins will be run on
+// the daemon and will be given access to an implementation of the CoreAPI.
+type PluginDaemon interface {
+	Plugin
+
+	Start(coreiface.CoreAPI) error
+	Close() error
+}