Added Button to enable and disable fan.
Added button to output console text to file (temp hardcoded location)
Added slide buttons to PrinterListItem. No functionality
Add sd card files even when the queue is empty.
Worked on some UI stuff in printer connection window
More work to UI
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development
Merge pull request #63 from jlewin/serial_port

Serial port updates
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development
Merge pull request #64 from gregory-diaz/development

Development
Change message confirmation dialogs from modal to async w/callback.
Merge branch 'development' of https://github.com/gregory-diaz/MatterControl into development

Conflicts:
	PrinterControls/PrinterConnections/PrinterListItems.cs
Merge remote-tracking branch 'upstream/development' into development
Allow OutputScroll to be used as embedded widget.
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development
Fix extruder index
Fixed a memory leak in ViewGcodeBasic.
Made sd files load into an empty queue
Merge branch 'development' of https://github.com/MatterHackers/MatterControl into development
Merge remote-tracking branch 'Greg/development' into development
Greg bug files printer connections window.
Merge pull request #65 from jlewin/development

Fix extruder index