Add Ubuntu 19.04 build node

Change-Id: I497f7dbedd014b582a990b8bd803fdbbf7d230e9

buildscripts/infrastructure/build-nodes/ubuntu-19.04/Dockerfile

@@ -0,0 +1,58 @@
+FROM ubuntu:19.04
+
+SHELL ["/bin/bash", "-c"]
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update \
+    && apt-get install -y \
+    apache2 \
+    apache2-dev \
+    autoconf \
+    build-essential \
+    devscripts \
+    dnsutils \
+    dpatch \
+    flex \
+    gettext \
+    git-buildpackage \
+    libboost-all-dev \
+    libcloog-ppl1 \
+    libcurl4-openssl-dev \
+    libevent-dev \
+    libffi-dev \
+    libfreeradius-dev \
+    libgd-dev \
+    libglib2.0-dev \
+    libgnutls28-dev \
+    libgsf-1-dev \
+    libkrb5-dev \
+    libldap2-dev \
+    libltdl-dev \
+    libmcrypt-dev \
+    libmysqlclient-dev \
+    libncurses5-dev \
+    libpango1.0-dev \
+    libpcap-dev \
+    libperl-dev \
+    libpq-dev \
+    libreadline-dev \
+    librrd-dev \
+    libsqlite3-dev \
+    libssl-dev \
+    libtool \
+    libxml2-dev \
+    openssh-client \
+    patch \
+    rpcbind \
+    rsync \
+    smbclient \
+    texinfo \
+    tk-dev \
+    uuid-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY bw-build-gnu-toolchain.sh /usr/sbin
+RUN bw-build-gnu-toolchain.sh -b
+RUN mv /usr/bin/gcc /usr/bin/gcc-old \
+    && ln -s /usr/local/bin/gcc-8 /usr/local/bin/gcc \
+    && ln -s /usr/local/bin/gcc-8 /usr/local/bin/cc