Move python projects to cmake

Change-Id: I7935deb68e2ad8cf0afc34a5503a285f61cd0e20
Reviewed-on: http://review.couchbase.org/30444
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>