Add gerbil builder container

Former-commit-id: 8843b894e2

app/data/container-build/cerc-builder-gerbil/Dockerfile

@@ -0,0 +1,17 @@
+# From: https://github.com/vyzo/gerbil/blob/master/docker/Dockerfile
+FROM gerbil/ubuntu
+
+# Install the Solidity compiler (latest stable version)
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive && export DEBCONF_NOWARNINGS="yes" \
+    apt-get install -y software-properties-common && \
+    add-apt-repository ppa:ethereum/ethereum && \
+    apt-get update && apt-get install -y solc && \
+    RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN mkdir /scripts
+COPY install-dependencies.sh /scripts
+
+RUN bash /scripts/install-dependencies.sh
+
+COPY entrypoint.sh .
+ENTRYPOINT ["./entrypoint.sh"]