* Travis: enable Node.js 10.x (Miroslav Bajtoš)
 * Update deps to fix security vulnerabilities (Miroslav Bajtoš)
 * Upgrade jayson from 1.x to 2.x (Miroslav Bajtoš)
 * Simplify build (Miroslav Bajtoš)
 * Update sse to 0.0.7 (ivy ho)