Added slide buttons to PrinterListItem. No functionality
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