Enforce no more internal use of deprecated apis (esp in the test apps)
Also signal clearly to users what is on the way out.
Signed-off-by: Andy Green <andy.green@linaro.org>
If we enabled libev support, generate a test server variant that uses it.
Libev has sets its face against fixing its warnings and says -Werror is
"stupid". So we work around it for the problems their apis cause in
Travis.
Signed-off-by: Andy Green <andy.green@linaro.org>