Adding edge repo and php5-redis

Dockerfile

@@ -6,7 +6,10 @@ ENV php_conf /etc/php5/php.ini
 ENV fpm_conf /etc/php5/php-fpm.conf
 ENV composer_hash e115a8dc7871f15d853148a7fbac7da27d6c0030b848d9b3dc09e2a0388afed865e6a3d6b3c0fad45c48e2b5fc1196ae
 
-RUN apk update && \
+#RUN echo @edge http://nl.alpinelinux.org/alpine/edge/main >> /etc/apk/repositories && \
+RUN    echo @testing http://nl.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
+    echo /etc/apk/respositories && \
+    apk update && \
     apk add --no-cache bash \
     openssh-client \
     wget \
@@ -37,6 +40,7 @@ RUN apk update && \
     php5-soap \
     php5-dom \
     php5-zip \
+    php5-redis@testing \
     python \
     python-dev \
     py-pip \