Renamed a few of the config files so that they are grouped more logically

together.

diff --git a/lustre/tests/client-net.cfg b/lustre/tests/net-client.cfg
similarity index 100%
rename from lustre/tests/client-net.cfg
rename to lustre/tests/net-client.cfg

diff --git a/lustre/tests/local.cfg b/lustre/tests/net-local.cfg
similarity index 100%
rename from lustre/tests/local.cfg
rename to lustre/tests/net-local.cfg

diff --git a/lustre/tests/server-net.cfg b/lustre/tests/net-server.cfg
similarity index 100%
rename from lustre/tests/server-net.cfg
rename to lustre/tests/net-server.cfg

diff --git a/lustre/tests/echo.cfg b/lustre/tests/obdecho.cfg
similarity index 100%
rename from lustre/tests/echo.cfg
rename to lustre/tests/obdecho.cfg