Darktable and Rawstudio suppoty
Merge remote-tracking branch 'github/master' into HEAD

Conflicts:
	F-Spot.sln
	src/Extensions/Tools/FSpot.Tools.DevelopInUFraw/FSpot.Tools.DevelopInUFRaw.csproj
	src/Extensions/Tools/FSpot.Tools.OpenWithExternalDeveloper/FSpot.Tools.ExternalDeveloper.csproj
	src/Extensions/Tools/FSpot.Tools.OpenWithExternalDeveloper/FSpot.Tools.ExternalDeveloper/DarkTable.cs
	src/Extensions/Tools/FSpot.Tools.OpenWithExternalDeveloper/FSpot.Tools.ExternalDeveloper/ExternalDeveloperConfigurationDialog.cs
	src/Extensions/Tools/FSpot.Tools.OpenWithExternalDeveloper/FSpot.Tools.ExternalDeveloper/ExternalDeveloperFactory.cs
Cleanup merge errors