Update Vendor

(*) github.com/Microsoft/hcsshim
    (*) golang.org/x/sys
    (*) github.com/x/cyrpto
    (*) github.com/sirupsen/logrus
    (*) github.com/Microsoft/go-winio
    (*) github.com/juju/errors
    (*) github.com/buger/jsonparser

vendor/github.com/juju/errors/Makefile

@@ -0,0 +1,24 @@
+PROJECT := github.com/juju/errors
+
+.PHONY: check-licence check-go check docs
+
+check: check-licence check-go
+	go test $(PROJECT)/...
+
+check-licence:
+	@(fgrep -rl "Licensed under the LGPLv3" --exclude *.s .;\
+		fgrep -rl "MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT" --exclude *.s .;\
+		find . -name "*.go") | sed -e 's,\./,,' | sort | uniq -u | \
+		xargs -I {} echo FAIL: licence missed: {}
+
+check-go:
+	$(eval GOFMT := $(strip $(shell gofmt -l .| sed -e "s/^/ /g")))
+	@(if [ x$(GOFMT) != x"" ]; then \
+		echo go fmt is sad: $(GOFMT); \
+		exit 1; \
+	fi )
+	@(go tool vet -all -composites=false -copylocks=false .)
+
+docs:
+	godoc2md github.com/juju/errors > README.md
+	sed -i 's|\[godoc-link-here\]|[![GoDoc](https://godoc.org/github.com/juju/errors?status.svg)](https://godoc.org/github.com/juju/errors)|' README.md