Both, client and server now read their IP config from their Genode config.
Furthermore, the client now waits 4 instead of 2 seconds before sending the
first request to prevent connection fails in tests with a slow startup. The
client truncates its packet dump for better readability.
Ref #114
This patch changes the top-level directory layout as a preparatory
step for improving the tools for managing 3rd-party source codes.
The rationale is described in the issue referenced below.
Issue #1082
