converted docker_htcondor to role

roles/docker-htcondor/files/htcondor.Dockerfile

@@ -0,0 +1,11 @@
+FROM docker.io/library/centos:7
+
+RUN yum install -y https://research.cs.wisc.edu/htcondor/repo/8.9/htcondor-release-current.el7.noarch.rpm && \
+	yum install --nogpgcheck -y condor && \
+	yum install -y less && \
+	yum clean all
+
+RUN	yum install -y iproute bind-utils nmap-ncat net-tools && \
+	yum clean all
+
+CMD bash -c 'cat <({ condor_master -f & tail --retry --pid $! -f /var/log/condor/MasterLog & })'