Adds necessary packages to build the SliFox debian package

slitheen-docker/Dockerfile

@@ -1,6 +1,6 @@
 FROM ff_build_bootstrapped
 RUN sudo apt-get update
-RUN sudo apt-get install -y inetutils-ping libpcap0.8-dev ethtool tcpdump valgrind iptables telnet less dpkg-dev lsb-release
+RUN sudo apt-get install -y inetutils-ping libpcap0.8-dev ethtool tcpdump valgrind iptables telnet less dpkg-dev lsb-release libstartup-notification0-dev libjpeg-dev libbz2-dev libreadline-dev python-ply libvpx-dev libhunspell-dev libffi-dev libevent-dev libjsoncpp-dev locales ttf-bitstream-vera fonts-freefont-ttf fonts-dejima-mincho iso-codes software-properties-common
 WORKDIR /tmp/
 RUN wget https://www.openssl.org/source/openssl-1.1.0f.tar.gz
 RUN tar xzvf openssl-1.1.0f.tar.gz