NGI Assure project: Layer-2-Overlay

Implementation details milestone 2

src/transport/test_transport_simple_send.sh	Introduced scripts to start the tests. The script checks, if a kernel parameter is set to allow unprivileged users to create network namespaces. The script than starts the following gerneric binary in a network namespace.

src/transport/test_transport_start_with_config.c	A generic binary to start a test case which will be configured by a configuration file.
src/testing/testing.c	Added code to read netjail topology from a file.

src/testing/topo.sh	Script which reads the topology from a file for the use in the other netjail scripts.

All already existing commands.	All commands changed to work with the topology data.

src/testing/testing_api_cmd_send_peer_ready.c	Command to send a message to the master loop if a peer has started in local loop.

src/testing/testing_api_cmd_local_test_prepared.c	Command to send a message to the master loop if a peer is ready to shutdown.

src/transport/transport_api_cmd_start_peer.c	Command now uses a configuration template for the peer configuration.

test_transport_simple_send_topo.conf	Topology configuration file for the simple send test case.