MP1-4463 : Removing obsolete GUILastFMRadio.dll.
MP1-4484 : Fix EXIF rotation with special character.
MP1-4485 : Fix letter-case on SQL Query
MP1-4495 : Fix Recordings in Subfolders won't play when UNC paths are used on Multi-Seat setups (popy patch)
MP1-4501 : Fix multi conflict of recording.
MP1-4502 : Fix ChannelState.DoSetChannelStates error. (SiggiK patch)
Merge remote-tracking branch 'remotes/origin/master' into MP1-4463-TASK-Remove_LastFM_Radio_plugin_functions_and_skinfiles

Conflicts:
	mediaportal/LastFMLibrary/LastFMLibrary.cs
	mediaportal/WindowPlugins/GUILastFMRadio/GUILastFMRadio.cs
MP1-4506 : Fix return to the list after playing video to GUIPicture.
MP1-4506 : Fix regression for slideshow with loop option.
MP1-4359 : Fix MP shutdown cleanup order
MP1-4507 : Optimize start/loading Music and playlist on big list.
MP1-4506 : GUISlideShow shuffle fix.
MP1-4508 : Fix multi screen restore.
MP1-4512 : Use special characters that match the fontEngine c++ replacement and for all other use C# GUIFontManager (this one was tweak to try to avoid overlap).
MP1-4512 : Missing System.Collections.
MP1-4512 : Comment code about special char and change to avoid to always create a new arraylist
MP1-4507 : To speedup loading files, use/add item to database when it was not present, it will speedup when we re enter in the same folder for the next time.
MP1-4514 : Fix Teletext subtitle when using DPIAware
MP1-4514 : Dispose properly 'graphics' by using statement.
MP1-4514 : Fix teletext subtitle ratio without breaking blu-ray subtitle