Thrift: Limited Reflection for C++.

Summary:
The Thrift compiler now generates static methods for every service to generate
a reflection of the methods provided by the service.  This reflection is fairly
limited, but should be enough for what we want to do with SMC.

Reviewed By: mcslee

Test Plan: test/ReflectionTest.cpp

Revert Plan: ok


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665226 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/cleanup.sh b/cleanup.sh
index c78c3fc..5c0046d 100755
--- a/cleanup.sh
+++ b/cleanup.sh
@@ -28,7 +28,8 @@
 .libs \
 libtool \
 ltmain.sh \
-missing
+missing \
+if/gen-*
 
 for subdir in ${subdirs}; do 
     if [ -x "${subdir}/cleanup.sh" ]; then