Skips all upcoming operations.

import Batch = require("nativescript-batch");

var b = Batch.newBatch(function(ctx) {
    // do something that does not
    // invoke skipAll()
}).then(function(ctx) {
    ctx.skipAll();
}).then(function(ctx) {
    // [2] NOT invoked
}).then(function(ctx) {
    // [3] NOT invoked
}).then(function(ctx) {
    // [4] NOT invoked
});

b.start();