#138 - Refactor ScreenSaver infrastrcuture - part 1
- Moved mangement infrastructure from entrypoin to ScreensaverManager
- new IScreensaver & IScreensaverFatory
- refactored UserScreensaver & LogoScreensaver into their own windows
- moved screen savers from core to DefaultTheme
fix #141 - Remote key bugs - build 30520116543 part1
- removed duplicate CommandActionsEntryPoint file
- restored stop command
- restored FFWD/REWIND functionality
- added SHIFT-D8 ('*" - info button)
- added expermental Fastforward & Rewind functionality/mapping ('F" & "R" keys)
#138 - Refactor ScreenSaver infrastrcuture - part 2
- refactor out logo screen saver
#138 - Refactor ScreenSaver infrastrcuture - part 3
- added UI in appeareance settings page
Merge remote-tracking branch 'upstream/master'

Conflicts:
	MediaBrowser.Theater.Implementations/Presentation/ScreensaverManager.cs
#138 - Refactor ScreenSaver infrastrcuture - part last
- completed UI
- set defaults
- handled sesson evented
fix #141 - Remote key bugs - build 30520116543 part 2
- mapped ctrl-shit F (FF key on some remotes) to smallstepforwad
-mapped ctrl-shift-B (RWD key on some remotes) to smallstepback
- mapped experimental FastForward to Ctrl-F
- mapped  experimental Rewindw to Ctrl-B
Merge pull request #143 from shaunarundell/master

Remote key mapping fixes & Screen saver refactor