Use latest version of createrepo_c, which fixes some bugs

The last version available for CentOS is 0.9.0, and I need a more up-to-date version that doesn't crash with dates with no times in the updateinfo.xml files.

advisories/Dockerfile

 FROM gitlab-registry.cern.ch/linuxsupport/cc7-base:latest
 
-RUN yum install -y --disablerepo=epel python-createrepo_c \
+ENV CREATEREPO_C_VERSION 0.11.1
+
+RUN yum install -y git gcc cmake bzip2-devel expat-devel file-devel glib2-devel libcurl-devel libxml2-devel python2-devel rpm-devel openssl-devel sqlite-devel xz-devel zlib-devel \
   && yum install -y perl perl-Frontier-RPC-Client perl-Crypt-SSLeay perl-DBI \
       perl-DBD-SQLite perl-XML-Writer \
-  && yum clean all
+  && yum clean all \
+  && git clone https://github.com/rpm-software-management/createrepo_c.git \
+  && cd createrepo_c \
+  && git checkout ${CREATEREPO_C_VERSION} \
+  && mkdir build \
+  && cd build \
+  && cmake -DPYTHON_DESIRED=2 -DCMAKE_INSTALL_PREFIX=/usr .. \
+  && make \
+  && make install
 
 COPY updateinfo.* /root/