Remove deprecated methods from the interact object

styleCursor, deltaSource, currentAction, simulate, autoScroll, snap,
inertia, restrict

Closes #94
Add warnings to deprecated Interactable methods

Also remove Interactable#resiseable/gestureable misspelled aliases
Deprecate interact.enable<Action>ing methods
Pass the Interaction as third param to snap funcs

interact(target).resizable({
    snap: {
        targets: [ function (x, y, interaction) {
            // ...
        } ]
    }
});