Add new fields in com.palm.connectionmanager/getstatus

- Add gateway, netmask, dns , method fields in com.palm.connectionmanager/
  getstatus method.
- Also add method field in com.palm.wifi/getstatus

Open-webOS-DCO-1.0-Signed-off-by: Sapna Todwal <sapna.todwal@palm.com>

Change-Id: I6a134e826b29af2ea7c095b9178bb46bb796e858
Reviewed-on: http://g2g.palm.com/1264
Tested-by: Sapna Todwal <sapna.todwal@palm.com>
Reviewed-by: Build Verification
Reviewed-by: Keith Derrick <keith.derrick@palm.com>