creates bitcoin bootstrap file

mkbootstrapdat/Dockerfile

@@ -0,0 +1,22 @@
+FROM ubuntu:14.04
+
+VOLUME /bitcoin
+
+ADD ./sources.list /etc/apt/sources.list
+RUN export DEBIAN_FRONTEND=noninteractive && \
+    apt-get update && \
+    apt-get -y upgrade && \
+    apt-get -y install git build-essential jq curl python pv
+
+RUN cd /usr/local/src && \
+    git clone https://github.com/bitcoin/bitcoin.git && \
+    cd bitcoin && \
+    git checkout a9149688f87cb790a600400abd9af72c3ee0c312
+
+VOLUME /input
+VOLUME /output
+
+ADD ./mkbootstrap /usr/local/bin/mkbootstrap
+RUN chmod +x /usr/local/bin/mkbootstrap
+
+ENTRYPOINT /usr/local/bin/mkbootstrap