Improve WsjcppEmployees::init with silent mode

[sea-kg]

Improve WsjcppEmployees::init with show initialization
default value must be false

When set true like:

WsjcppEmployees::init({}, true);

Must be show in log how to init different services like this:

....
2020-09-21 17:35:58.397, 0x00007f45d5874740 [OK] WsjcppEmployees::init: EmployConfig ... INIT_OK
2020-09-21 17:35:58.397, 0x00007f45d5874740 [INFO] EmployFlags: init
2020-09-21 17:35:58.397, 0x00007f45d5874740 [OK] WsjcppEmployees::init: EmployFlags ... INIT_OK
2020-09-21 17:35:58.397, 0x00007f45d5874740 [OK] WsjcppEmployees::init: EmployScoreboard ... INIT_OK
2020-09-21 17:35:58.398, 0x00007f45d5874740 [INFO] EmployTeamLogos: init
2020-09-21 17:35:58.398, 0x00007f45d5874740 [OK] WsjcppEmployees::init: EmployTeamLogos ... INIT_OK
2020-09-21 17:35:58.398, 0x00007f45d5874740 [INFO] WsjcppEmployRuntimeGlobalCache: init
2020-09-21 17:35:58.398, 0x00007f45d5874740 [OK] WsjcppEmployees::init: WsjcppEmployRuntimeGlobalCache ... INIT_OK

If set to false then must be silent success but show fails.