[FIX] packaging: redhat: depends on babel

setup/package.dfcentos

@@ -12,6 +12,7 @@ RUN yum install -d 0 -e 0 epel-release -y && \
 		nodejs-less \
 		pychart \
 		pyparsing \
+		python-babel \
 		python-dateutil \
 		python-decorator \
 		python-docutils \