Modified Makefile to use a container-packaged protoc and golang.

Also modified the way proto files are processed in order to only have to start a single container.

VOL-2428

Change-Id: I81b0b61e22df3d5126969f6924e344780326f749
diff --git a/VERSION b/VERSION
index be94e6f..161fb7d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.2.2
+3.2.3-dev