Support receiving notification messages from back end, and showing them as an XBMC toast notification
Add stringID for "new version update available" notification
bump to version 2.97
Send client's time (in UTC) to backend on GetServerVersion call
Add notification for client vs backend clockdrift
Support Info/Warn/Error level on client notifications
Set hostname and platform on non windows systems if possible

remove unused class variables
Add Wake On LAN functionality
Save/Load server MAC address in custom file in addon_data location

Sends WOL packet to saved MAC address prior to attempting to connect() if
the backend status is unknown or down.
If backend is known to be up, no WOL is sent
Also added debug messages to indicate Response OK and when starting
connection rather than only when it fails
Fixed GetBackendVersion() call, non static CStdString was being cleaned up
invalidating the pointer that was returned from the function.
Add support for PlayCount/WatchedStatus being stored in the backend
Merge pull request #322 from krustyreturns/pvr.wmc_gotham

[pvr.wmc] 0.2.98 (gotham backport of 0.3.98)