lws api test lws_dsh

Demonstrates how to use and performs selftests for lws_dsh

build

 $ cmake . && make

Commandline option	Meaning
-d	Debug verbosity in decimal, eg, -d15

 $ ./lws-api-test-lws_dsh
[2018/10/09 09:14:17:4834] USER: LWS API selftest: lws_dsh
[2018/10/09 09:14:17:4835] USER: Completed: PASS