Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/go/template_extend2_runme.go

@@ -0,0 +1,16 @@
+package main
+
+import "./template_extend2"
+
+func main() {
+	a := template_extend2.NewLBaz()
+	b := template_extend2.NewDBaz()
+
+	if a.Foo() != "lBaz::foo" {
+		panic(0)
+	}
+
+	if b.Foo() != "dBaz::foo" {
+		panic(0)
+	}
+}