Introduce comparator of service names

:Release Notes:
Introduce comparator of service names, that is insensitive to diffrence
between com.palm.*, com.webos.*, com.lge.*

:Detailed Notes:

:Testing Performed:
New unit test for the comparator was written

:QA Notes:

:Issues Addressed:
[GF-4768] Add special support for "com.webos." in luna-service2

Open-webOS-DCO-1.0-Signed-off-by: Alekseyev Oleksandr<alekseyev.oleksandr@lge.com>
Change-Id: I3ea9a489ab439955b94cb945faa428c3101701c9
Reviewed-on: https://g2g.palm.com/3137
Reviewed-by: Build Verification
Reviewed-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Tested-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>