sortdict: have update() accept either dict or iterable of key/value pairs
Future patches will make the templater store a sorted dict in the _hybrid object.
sortdict should be constructed from a sorted list.
FROM centos:centos7
RUN yum install -y gcc
RUN yum install -y python-devel python-docutils
RUN yum install -y make
RUN yum install -y rpm-build
RUN yum install -y gettext
RUN yum install -y tar
# For creating repo meta data
RUN yum install -y createrepo