Modified Makefile to use containerized tools.

Also added lint-dockerfile target.
Also modified docker tagging scheme slightly to be the same as voltha-go.  (Which should be backwards-compatible.)
Also added .gitreview file.

VOL-2428

Change-Id: Icfc1b0e277ebdda7305c1b1295ffd4f2696c542a
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..b2db7aa
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,16 @@
+# Copyright 2020-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+run:
+  modules-download-mode: vendor
\ No newline at end of file