Fixed dialog shown by wrong thread (LoadSkin: Running in wrong thread)
LanguageLoader cleanup (deleted redundant data), English language file update
Merge branch 'DEV_rework_core' of https://github.com/ambilight-4-mediaportal/AtmoLight into DEV_rework_core

Conflicts:
	AtmoLight.MediaPortal1/LanguageLoader.cs
	AtmoLight.MediaPortal1/Plugin.cs
Derp