Added Travis testing and hooks for galaxy

tests/Dockerfile.ubuntu-bionic

@@ -0,0 +1,13 @@
+FROM ubuntu:bionic
+ENV container=docker
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends build-essential libffi-dev \
+    libssl-dev python-dev python-minimal python-pip python-setuptools \
+    python-virtualenv systemd && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN pip install enum34 ipaddress wheel && \
+    pip install ansible ansible-lint
+
+COPY .ansible-lint /