Relocate etc/ep_adm_params into etc/gdp/params so that the etc/gdp
subtree can be mounted easily into a docker container.
Documentation updates for v2. Incomplete.
Install rsyslog configuration in init-gdp-server.sh rather than
install-config.sh. Drop install-config.sh since it is now redundant.
Use /etc/gdp (instead of /etc) when installing in /usr.
Move keys directory from /var/swarm/gdp/KEYS to $GDP_ETC/keys.
Documentation and scripts for GDP servers.