THRIFT-2012 Modernizing Go

Patch: Travis Cline
diff --git a/tutorial/Makefile.am b/tutorial/Makefile.am
index 6ca82ed..72901a5 100755
--- a/tutorial/Makefile.am
+++ b/tutorial/Makefile.am
@@ -54,6 +54,10 @@
 #SUBDIRS += hs
 endif
 
+if WITH_GO
+SUBDIRS += go
+endif
+
 #
 # generate html for ThriftTest.thrift
 #