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/etc/scripts/moveTo.lua

@@ -0,0 +1,17 @@
+local turtle = _G.turtle
+
+turtle.run(function()
+    _G.requireInjector(_ENV)
+
+    local GPS = require('opus.gps')
+
+    if not turtle.enableGPS() then
+        error('turtle: No GPS found')
+    end
+
+    local pt = {GPS}
+
+    if not turtle.pathfind(pt) then
+        error('Unable to go to location')
+    end
+end)