Update manifest to beta

Signed-off-by: Juanjo Alvarez <[email protected]>

Author: Juanjo Alvarez

README.md

@@ -1,4 +1,4 @@
-# C++ driver for [Babelfish](https://github.com/bblfsh/bblfshd) ![Driver Status](https://img.shields.io/badge/status-alpha-db975c.svg) [![Build Status](https://travis-ci.org/bblfsh/cpp-driver.svg?branch=master)](https://travis-ci.org/bblfsh/cpp-driver) ![Native Version](https://img.shields.io/badge/cpp%20version-8.121.13--r0-aa93ea.svg) ![Go Version](https://img.shields.io/badge/go%20version-1.8-63afbf.svg)
+# C++ driver for [Babelfish](https://github.com/bblfsh/bblfshd) ![Driver Status](https://img.shields.io/badge/status-beta-dbd25c.svg) [![Build Status](https://travis-ci.org/bblfsh/cpp-driver.svg?branch=master)](https://travis-ci.org/bblfsh/cpp-driver) ![Native Version](https://img.shields.io/badge/cpp%20version-8.121.13--r0-aa93ea.svg) ![Go Version](https://img.shields.io/badge/go%20version-1.8-63afbf.svg)
 
 Development Environment
 -----------------------

manifest.toml

@@ -1,6 +1,6 @@
 name = "C++"
 language = "cpp"
-status = "alpha"
+status = "beta"
 features = ["ast"]
 
 [runtime]