Improvements to the containers

This moves to using automated build scripts to generate containers.

• Move all build scripts to "containers"
• Provide dockerfiles for the bilby test suites
• Update the test environment to use the new tests suites
• Base the singularity image off the test suites

containers/Dockerfile-test-suite-python27

+FROM ubuntu:18.04
+
+LABEL name="bilby Base Enterprise Linux 7" \
+maintainer="Gregory Ashton <gregory.ashton@ligo.org>" \
+date="20190104"
+
+ENV PATH /opt/conda/bin:$PATH
+
+# Install backend
+RUN apt-get update --fix-missing \
+&& apt-get install -y libglib2.0-0 libxext6 libsm6 libxrender1 libgl1-mesa-glx \
+dh-autoreconf build-essential libarchive-dev wget curl git libhdf5-serial-dev
+
+# Install python2.7
+RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda2-4.5.11-Linux-x86_64.sh -O ~/miniconda.sh && \
+/bin/bash ~/miniconda.sh -b -p /opt/conda && \
+rm ~/miniconda.sh && \
+ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
+echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
+echo "conda activate base" >> ~/.bashrc
+
+# Install conda-installable programs
+RUN conda install -y numpy>=1.9 scipy>=0.16 matplotlib>=2.0 pandas
+
+RUN conda install -c conda-forge deepdish
+
+# Install requirements
+RUN pip install --upgrade pip \
+&& pip install --upgrade setuptools \
+&& pip install future \
+pycondor>=0.5 \
+configargparse \
+flake8 \
+mock \
+pipenv \
+coverage \
+pytest-cov \
+coverage-badge
+
+# Install additional bilby requirements
+RUN pip install dynesty corner lalsuite astropy gwpy theano
+
+# Install samplers
+RUN pip install dynesty nestle emcee ptemcee cpnest pymc3 pymultinest
+
+# Install pymultinest requirements
+RUN apt-get install -y libblas3 libblas-dev liblapack3 liblapack-dev \
+libatlas3-base libatlas-base-dev cmake build-essential gfortran
+
+# Install pymultinest
+RUN git clone https://github.com/JohannesBuchner/MultiNest \
+&& (cd MultiNest/build && cmake .. && make)
+
+ENV LD_LIBRARY_PATH $HOME/MultiNest/lib:
+
+# Install Polychord
+RUN git clone https://github.com/PolyChord/PolyChordLite.git \
+&& (cd PolyChordLite && make pypolychord  MPI= && python setup.py install)