SW-830: Add Dockerfile for RAServices CI image

SubSystems/RAServices/Dockerfile

+FROM centos:centos7.2.1511 AS builder
+RUN yum install -y epel-release
+RUN yum install -y cmake gcc-c++ make log4cplus log4cplus-devel python3 python3-libs python3-devel boost readline-devel boost-devel python36-django binutils-devel boost-python36 postgresql-devel boost-python36-devel
+RUN pip3 install kombu lxml requests pygcn xmljson mysql-connector-python python-dateutil djangorestframework djangorestframework-xml ldap==1.0.2 flask fabric
+# ADD ./ /src
+# WORKDIR /src
+# RUN mkdir -p build/gnucxx11_opt
+# WORKDIR build/gnucxx11_opt
+
+# RUN cmake -DBUILD_PACKAGES="RAServices" ../..
+# RUN make -j
+