webos-image: pmklogd=12, pmlogdaemon=108

:Release Notes:
Modified start point in upstart 1.8 script

:Detailed Notes:
- The mountall script is deleted in upstart 1.8.
- Therefore, services which use the mountall event shoud be changed.
- Start event of pmklog is modified to mount-readwrite.
- start event of pmlogdaemon is modified to ls-hubd_private-ready.

Changes included in pmkloglib submissions/11../12
2067bf9 pmklogd: Change start event to mount-readwrite

Changes included in pmlogdaemon submissions/107..submissions/108
2390fc5 Add ls2 method to provide force rotate mainstream

:Testing Performed:
Local Build is ok.
MiniBAT : PASS (See GF-27647)

:QA Notes:
This change can be tested in upstart 1.8 env.

:Issues Addressed:
[GF-7725] pmlogdaemon: Add ls2 method in pmlogdaemon to force
    log rotate and upload
[GF-27426] Change start event of pmklogd to mount-readwrite
[GF-27647] CCC: pmklogd=12, pmlogdaemon=108

Open-webOS-DCO-1.0-Signed-off-by: Sangwoo Kang <sangwoo82.kang@lge.com>

Change-Id: I689549307a3865ca99d0bc4e840e02eb918c7588
Reviewed-on: https://g2g.palm.com/3173
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>