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

milo/plugins/inputChestView.lua

@@ -1,7 +1,6 @@
 local Ansi       = require('opus.ansi')
 local UI         = require('opus.ui')
 
-local colors     = _G.colors
 local device     = _G.device
 
 --[[ Configuration Screen ]]
@@ -14,7 +13,6 @@ Any items placed in this chest will be imported into storage.
 local inputChestWizardPage = UI.WizardPage {
 	title = 'Input Chest',
 	index = 2,
-	backgroundColor = colors.cyan,
 	[1] = UI.TextArea {
 		x = 2, ex = -2, y = 2, ey = -2,
 		value = string.format(template, Ansi.yellow, Ansi.reset),