vendor: Update vendoring for the exec client and server implementations

Signed-off-by: Jacek J. Łakis <jacek.lakis@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

vendor/github.com/ugorji/go/README.md

@@ -0,0 +1,20 @@
+# go/codec
+
+This repository contains the `go-codec` library,
+a High Performance and Feature-Rich Idiomatic encode/decode and rpc library for
+
+  - msgpack: https://github.com/msgpack/msgpack
+  - binc:    http://github.com/ugorji/binc
+  - cbor:    http://cbor.io http://tools.ietf.org/html/rfc7049
+  - json:    http://json.org http://tools.ietf.org/html/rfc7159 
+
+For more information:
+
+  - [see the codec/Readme for quick usage information](https://github.com/ugorji/go/tree/master/codec#readme)
+  - [view the API on godoc](http://godoc.org/github.com/ugorji/go/codec)
+  - [read the detailed usage/how-to primer](http://ugorji.net/blog/go-codec-primer)
+
+Install using:
+
+    go get github.com/ugorji/go/codec
+