Re-factor repository workflow

Addresses #13 (closed)

.gitlabci/setup.sh

-#!/bin/bash
-
-#apt-get update && apt-get install -y wget git \
-#                                          build-essential \
-#                                          squashfs-tools \
-#                                          libtool \
-#                                          autotools-dev \
-#                                          libarchive-dev \
-#                                          automake \
-#                                          autoconf \
-#                                          uuid-dev \
-#                                          libssl-dev \
-#                                          python-pip
-#
-#
-### Somehow sed cant find /etc/sudoers
-##sed -i -e 's/^Defaults\tsecure_path.*$//' /etc/sudoers
-#
-## Check Python
-#
-#echo "Python Version:"
-#python --version
-#pip install sregistry[all]
-#sregistry version
-#
-#echo "sregistry Version:"
-#
-## Install Singularity
-#
-#cd /tmp && \
-#    rm -rf singularity && \
-#    git clone -b vault/release-2.5 https://www.github.com/sylabs/singularity.git
-#    cd singularity && \
-#    ./autogen.sh && \
-#    ./configure --prefix=/usr/local && \
-#    make -j8 && make install