compress option logic updated

* no compression is set by default
* get_client_config is able to process 'comp_lzo' uci option
* get_client_config generates config with '' or 'compress <alg>'
1 job from compress-logic-updates in 58 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #231137
test_python3

00:00:58