Thrift: Prep for release.

Summary:
- make dist is no fun.  Had to add a lot of stuff to Makefile.am to
  make sure stuff got included in the tarball.
- Added a permanent NEWS file with the release notes for this release.
- clean.sh removes ylwrap also.
- Gave it a real version for make dist.
- Added ACLOCAL_AMFLAGS to lib/cpp/Makefile.am to make it easier to
  work on configure.ac.
- Made concurrency_test a non-installed binary because
  no one wants to install it.
- Dropped some symlinks that were annoying make dist.
- Updated README.

Test Plan:
./bootstrap.sh && ./configure && make dist
Compared contents of tarball to source tree.
Did this from a fresh git tree so no gross untracked files would be around.
On devrs: ./bootstrap.sh && ./configure && make install DESTDIR=/tmp/relinst1
Made sure concurrency_test was built but not installed.
Checked zlib URL with firefox.

Reviewed By: mcslee


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665274 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/README b/README
index 5dc232e..7206259 100644
--- a/README
+++ b/README
@@ -63,6 +63,9 @@
 Some portions of Thrift also depend upon libevent, see:
 http://monkey.org/~provos/libevent/
 
+Some portions of Thrift also depend upon zlib, see:
+http://www.zlib.net/
+
 These libraries are open source and may be freely obtained, but they are not
 provided as a part of this distribution.
 
@@ -82,7 +85,8 @@
 ============
 
 If you are building from the first time out of the source repository, you will
-need to generate the configure scripts.  From the top directory, do:
+need to generate the configure scripts.  (This is not necessary if you
+downloaded a tarball.)  From the top directory, do:
 
 	./bootstrap.sh