docker: we are now using cython 0.24 + update readme for 0.5.1 release

README.md

@@ -35,7 +35,7 @@ docker run -it pyston/pyston-numpy
 To install it yourself, one needs a modified Cython, as well as to install numpy from source in order to invoke our modified Cython.
 
 ```
-pip install https://github.com/dropbox/pyston/releases/download/v0.5.0/Cython-0.22.0-pyston.tar.gz
+pip install https://github.com/dropbox/pyston/releases/download/v0.5.1/Cython-0.24.0-pyston.tar.gz
 pip install git+git://github.com/numpy/numpy@v1.11.0
 ```
 
@@ -53,6 +53,11 @@ See [travis-ci.org/dropbox/pyston/builds](https://travis-ci.org/dropbox/pyston/b
 
 ##### v0.6: coming soon
 
+##### v0.5.1: [released 7/14/2016](https://blog.pyston.org/2016/07/14/pyston-0-5-1-released/)
+- misc baseline JIT and inline cache improvements
+- SciPy support
+- analysis passes now use vregs instead of names
+
 ##### v0.5: [released 5/25/2016](https://blog.pyston.org/2016/05/25/pyston-0-5-released/)
 - Reference counting
 - Signals support, generator cleanup, more C API support

docker/pyston-numpy/Dockerfile

@@ -15,7 +15,7 @@ RUN set -x \
 
 ENV PATH /pyston_env/bin/:$PATH
 
-RUN pip install https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/Cython-0.22-pyston.tar.gz
+RUN pip install https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/Cython-0.24-pyston.tar.gz
 
 RUN echo "source /pyston_env/bin/activate" >> /root/.bashrc
 

docker/pyston/Dockerfile

@@ -15,7 +15,7 @@ RUN set -x \
 
 ENV PATH /pyston_env/bin/:$PATH
 
-RUN pip install https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/Cython-0.22-pyston.tar.gz
+RUN pip install https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/Cython-0.24-pyston.tar.gz
 
 RUN echo "source /pyston_env/bin/activate" >> /root/.bashrc