Merge pull request #3 from amercader/bash-2.8

Install bash in base image as it's required by the start_ckan.sh script

rootfs/Dockerfile

@@ -60,6 +60,7 @@ WORKDIR ${APP_DIR}
 
 # Install necessary packages to run CKAN
 RUN apk add --no-cache git \
+        bash \
         gettext \
         curl \
         postgresql-client \