Initial skeleton of an undo/redo system
Add undo and redo to the context menu and make cut/copy/paste undoable/redoable.
Implement undo/redo for dragging, not yet fully functional
Merge branch 'master' into 250_undoredo
fix merge conflict
Merge branch 'master' of https://github.com/waterbearlang/waterbear into celticminstrel_250undoredo
re-fixed merge conflict
Merge branch 'master' into celticminstrel_250undoredo
debugging an issue with drag.js
Merge branch 'master' of https://github.com/waterbearlang/waterbear into celticminstrel_250undoredo
cut seems to be working if reloading isn't loading a script