Added autoconf/automake glue to run lib/py/setup.py as part of make install

Reviewed by mslee


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664914 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/bootstrap.sh b/bootstrap.sh
index e994cc1..c6a973b 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-subdirs="compiler/py lib/cpp lib/php"
+subdirs="compiler/py lib/cpp lib/php lib/py"
 
 rm -rf \
 AUTHORS \