Logs Conversion

:Release Notes:
Convert log messages to the new logging format

:Detailed Notes:
The exisiting logs have been categorized to the right level.
They now log using the new msgid-key-value-format.
info level logs are added for gathering usage metrics.

:Testing Performed:
Compiled locally and tested on official starfish build.
Logs appear in the KV pair format in /var/log/messages.

:QA Notes:

:Issues Addressed:
[GF-5156]  sleepd: Log using the new pmloglib API

Open-webOS-DCO-1.0-Signed-off-by: ashish.sadre <ashish.sadre@lge.com>

Change-Id: I64c4355d6d0ab0e3ca9dbc24ea97f802ba57c5c5
Reviewed-on: https://g2g.palm.com/3613
Reviewed-by: Build Verification
Reviewed-by: Ashish Sadre <ashish.sadre@lge.com>
Tested-by: Ashish Sadre <ashish.sadre@lge.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>