Thrift: "make check" support.

Summary:
Add a Makefile.am in the test directory that runs some of the test programs
when "make check" is executed.  Also removed some obsolete comments.

Reviewed By: mcslee

Test Plan:
Ran make check, saw all tests pass.
Ran make install, saw no test programs installed.
Ran ./cleanup.sh, saw a pristine workspace.

Revert Plan: ok


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665458 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/cleanup.sh b/cleanup.sh
index 878bf62..4760f43 100755
--- a/cleanup.sh
+++ b/cleanup.sh
@@ -33,4 +33,5 @@
 if/Makefile.in \
 lib/Makefile.in \
 lib/cpp/Makefile.in \
-lib/py/Makefile.in
+lib/py/Makefile.in \
+test/Makefile.in