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/.gitreview b/.gitreview
new file mode 100644
index 0000000..c04b89f
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.opencord.org
+port=29418
+project=ofagent-go.git
+defaultremote=origin