Add dpkg/rpm building capability:

* docker container definitions for package building
* cmake targets for building packages
* initial gitlab CI + artifactory integration

Builds/containers/shared/update_sources.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+function error {
+    echo $1
+    exit 1
+}
+
+cd /opt/rippled_bld/pkg/rippled
+export RIPPLED_VERSION=$(egrep -i -o "\b(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-[0-9a-z\-]+(\.[0-9a-z\-]+)*)?(\+[0-9a-z\-]+(\.[0-9a-z\-]+)*)?\b" src/ripple/protocol/impl/BuildInfo.cpp)
+
+cd ..
+git clone https://github.com/ripple/validator-keys-tool.git
+cd validator-keys-tool
+git checkout origin/master
+git submodule update --init --recursive
+cd ..
+
+: ${PKG_OUTDIR:=/opt/rippled_bld/pkg/out}
+export PKG_OUTDIR
+if [ ! -d ${PKG_OUTDIR} ]; then
+    error "${PKG_OUTDIR} is not mounted"
+fi
+
+if [ -x ${OPENSSL_ROOT}/bin/openssl ]; then
+    LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${OPENSSL_ROOT}/lib ${OPENSSL_ROOT}/bin/openssl version -a
+fi
+