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/item/infoTab.lua

@@ -1,14 +1,11 @@
 local Ansi   = require('opus.ansi')
 local UI     = require('opus.ui')
 
-local colors = _G.colors
-
 local infoTab = UI.Tab {
 	tabTitle = 'Info',
 	index = 4,
-	backgroundColor = colors.cyan,
 	textArea = UI.TextArea {
-		x = 2, ex = -2, y = 2,
+		x = 2, ex = -2, y = 2, ey = -2,
 	},
 }