Add code from service.pushbullet.com (ruuk)

Show push sender name if available in gui
User xbmc.Player().play() and ListItem to play media

Change version to 0.8.0b
Fix maps.py CACHE_PATH
Add handling for all push types to push2Notification.py
Remove extra websocket import
Use xbmc.Player() to play media
Remove hardcoded addonIDs from getToken() calls
Add individual settings for push handling
Handle Player.OnPlay notifications without an valid playerid
Fix for encoding issue when logging in service.py

Remove extraneous s
Merge pull request #4 from ruuk/master

Add code from service.pushbullet.com (ruuk) ...that's one small collaboration, one giant leap for the add-on ;)