Ui enhancements 2.0 (#29)

* canvas overhaul

* editor 2.0

* more tweaks

* more editor work

* completions + refactor

* cleanup + editor additions

* cleanup + undo overhaul

* editor recent/peripherals/redo + cleanup

* editor path issues

* cleanup

* changes for deprecated ui methods - recolor milo - make turtle scripts run again - mob rancher improvements

* can now use named colors

common/Follow.lua

@@ -42,7 +42,6 @@ local page = UI.Page {
 	},
 	range = UI.SlideOut {
 		y = -7, height = 7,
-		backgroundColor = colors.cyan,
 		titleBar = UI.TitleBar {
 			event = 'cancel',
 			title = 'Enter range',
@@ -239,6 +238,6 @@ Event.addRoutine(function()
 end)
 
 UI:setPage(page)
-UI:pullEvents()
+UI:start()
 
 swarm:stop()