Ui enhancements 2.0 (#31)

* canvas overhaul

* minor tweaks

* list mode for overview

* bugfixes + tweaks for editor 2.0

* minor tweaks

* more editor work

* refactor + new transitions

* use layout() where appropriate and cleanup

* mouse triple click + textEntry scroll ind

* cleanup

* cleanup + theme editor

* color rework + cleanup

* changes for deprecated ui methods

* can now use named colors

sys/apps/Welcome.lua

@@ -131,7 +131,7 @@ function page:eventHandler(event)
 		shell.openForegroundTab('PackageManager')
 
 	elseif event.type == 'wizard_complete' or event.type == 'cancel' then
-		UI.exitPullEvents()
+		UI:quit()
 
 	else
 		return UI.Page.eventHandler(self, event)
@@ -140,4 +140,4 @@ function page:eventHandler(event)
 end
 
 UI:setPage(page)
-UI:pullEvents()
+UI:start()