MatterSlice is starting to work as a new engine.
We now have a build dependency on MatterSlice.
Moved common functions to MappingClasses.
Added language selector widget.
First Spanish translation.
We handle parsing the translation file better, and better errors.
MatterSlice parameters are better.
Merge commit '8ec802a63cee75415124919c9a2f40ee062d7ddd' into development
Actually use the MatterSlice engine.
Merge remote-tracking branch 'origin/development' into development
Added language and theme selectors to the configuration panel.
Made localizations use stored language preference.
UI changes to theme selector.
Added language selector widget to project.
Widescreen no longer recreates widgets all the time.
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development
deleted then added clip library
enforce translation folders always lower case.
Fixed compact view.  Made disableable widget overlay widescreen dependent.
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development

Conflicts:
	StaticData/Translations/EN/Translation.txt
	StaticData/Translations/Master.txt
put in autorotate
Auto rotate
and turn it on
Don't redraw on auto rotation if we have not done a draw since last invalidate.