Fix for numAutoReplace and listAutoReplace

:Release Notes:
Add verification for parameters values

:Detailed Notes:

:Testing Performed:
tested on build

:QA Notes:
get number of user words:
  luna-send -n 1 -f palm://com.palm.smartKey/numAutoReplace '{}'
list user words:
  luna-send -n 1 -f palm://com.palm.smartKey/listAutoReplace '{ "offset":0, "limit":2}'

:Issues Addressed:
[GF-10666] com.palm.smartKey:numAutoReplace - count value is not proper

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

Change-Id: I9525a814e469f52064a85af3fd17316b25f7d2cd
Reviewed-on: https://g2g.palm.com/3558
Reviewed-by: Igor Kuksyuk <ikuksyuk@luxoft.com>
Tested-by: Igor Kuksyuk <ikuksyuk@luxoft.com>
Reviewed-by: Build Verification
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Reviewed-by: Roger Stringer <roger.stringer@lge.com>