Removed limitations for listAutoReplace

:Release Notes:
Ommited limitations for parameters values in functions SmartKeyService::cmdListUserWords
and SmartKeyService::cmdListAutoReplace.

:Detailed Notes:

:Testing Performed:
tested on build

:QA Notes:
list user words:
  luna-send -n 1 -f palm://com.palm.smartKey/listUserWords '{ "offset":0, "limit":2}'
list auto replace words:
  luna-send -n 1 -f palm://com.palm.smartKey/listAutoReplace '{ "offset":0, "limit":2}'

:Issues Addressed:
[GF-10663] - com.palm.smartKey:listUserWords - returns True for invalid offset and limit

Open-webOS-DCO-1.0-Signed-off-by: Igor Kuksyuk <ikuksyuk@luxoft.com>

Change-Id: I7b768d6e3fed38270099d9859a392fc8b24d15d7
Reviewed-on: https://g2g.palm.com/3785
Reviewed-by: Build Verification
Tested-by: Igor Kuksyuk <ikuksyuk@luxoft.com>
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Reviewed-by: Igor Kuksyuk <ikuksyuk@luxoft.com>