VOL-2112 move to voltha-lib-go

Change-Id: Ic1af08003c1d2c698c0cce371e64f47b47b8d875
diff --git a/vendor/go.uber.org/multierr/.travis.yml b/vendor/go.uber.org/multierr/.travis.yml
index 5ffa8fe..a6412b7 100644
--- a/vendor/go.uber.org/multierr/.travis.yml
+++ b/vendor/go.uber.org/multierr/.travis.yml
@@ -7,9 +7,9 @@
     - GO15VENDOREXPERIMENT=1
 
 go:
-  - 1.7
-  - 1.8
-  - tip
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
 
 cache:
   directories:
diff --git a/vendor/go.uber.org/multierr/CHANGELOG.md b/vendor/go.uber.org/multierr/CHANGELOG.md
index 898445d..f1b852c 100644
--- a/vendor/go.uber.org/multierr/CHANGELOG.md
+++ b/vendor/go.uber.org/multierr/CHANGELOG.md
@@ -1,6 +1,13 @@
 Releases
 ========
 
+v1.2.0 (2019-09-26)
+===================
+
+-   Support extracting and matching against wrapped errors with `errors.As`
+    and `errors.Is`.
+
+
 v1.1.0 (2017-06-30)
 ===================
 
diff --git a/vendor/go.uber.org/multierr/Makefile b/vendor/go.uber.org/multierr/Makefile
index a7437d0..b4bf73d 100644
--- a/vendor/go.uber.org/multierr/Makefile
+++ b/vendor/go.uber.org/multierr/Makefile
@@ -34,7 +34,7 @@
 
 .PHONY: golint
 golint:
-	@go get github.com/golang/lint/golint
+	@go get golang.org/x/lint/golint
 	$(eval LINT_LOG := $(shell mktemp -t golint.XXXXX))
 	@cat /dev/null > $(LINT_LOG)
 	@$(foreach pkg, $(PACKAGES), golint $(pkg) >> $(LINT_LOG) || true;)
diff --git a/vendor/go.uber.org/multierr/README.md b/vendor/go.uber.org/multierr/README.md
index 065088f..751bd65 100644
--- a/vendor/go.uber.org/multierr/README.md
+++ b/vendor/go.uber.org/multierr/README.md
@@ -17,7 +17,7 @@
 [MIT License]: LICENSE.txt
 [doc-img]: https://godoc.org/go.uber.org/multierr?status.svg
 [doc]: https://godoc.org/go.uber.org/multierr
-[ci-img]: https://travis-ci.org/uber-go/multierr.svg?branch=master
+[ci-img]: https://travis-ci.com/uber-go/multierr.svg?branch=master
 [cov-img]: https://codecov.io/gh/uber-go/multierr/branch/master/graph/badge.svg
-[ci]: https://travis-ci.org/uber-go/multierr
+[ci]: https://travis-ci.com/uber-go/multierr
 [cov]: https://codecov.io/gh/uber-go/multierr
diff --git a/vendor/go.uber.org/multierr/error.go b/vendor/go.uber.org/multierr/error.go
index de6ce47..d4be183 100644
--- a/vendor/go.uber.org/multierr/error.go
+++ b/vendor/go.uber.org/multierr/error.go
@@ -33,7 +33,7 @@
 // If only two errors are being combined, the Append function may be used
 // instead.
 //
-// 	err = multierr.Combine(reader.Close(), writer.Close())
+// 	err = multierr.Append(reader.Close(), writer.Close())
 //
 // This makes it possible to record resource cleanup failures from deferred
 // blocks with the help of named return values.
@@ -99,8 +99,6 @@
 	// Separator for single-line error messages.
 	_singlelineSeparator = []byte("; ")
 
-	_newline = []byte("\n")
-
 	// Prefix for multi-line messages
 	_multilinePrefix = []byte("the following errors occurred:")
 
diff --git a/vendor/go.uber.org/multierr/go113.go b/vendor/go.uber.org/multierr/go113.go
new file mode 100644
index 0000000..264b0ea
--- /dev/null
+++ b/vendor/go.uber.org/multierr/go113.go
@@ -0,0 +1,52 @@
+// Copyright (c) 2019 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// +build go1.13
+
+package multierr
+
+import "errors"
+
+// As attempts to find the first error in the error list that matches the type
+// of the value that target points to.
+//
+// This function allows errors.As to traverse the values stored on the
+// multierr error.
+func (merr *multiError) As(target interface{}) bool {
+	for _, err := range merr.Errors() {
+		if errors.As(err, target) {
+			return true
+		}
+	}
+	return false
+}
+
+// Is attempts to match the provided error against errors in the error list.
+//
+// This function allows errors.Is to traverse the values stored on the
+// multierr error.
+func (merr *multiError) Is(target error) bool {
+	for _, err := range merr.Errors() {
+		if errors.Is(err, target) {
+			return true
+		}
+	}
+	return false
+}