Bug 897745 - Implement the CSP cache using ES6 Map r=mccr8 a=1.3t+
Bug 948276 - Lazy load accessfu.jsm r=MarcoZ a=1.3t+
Bug 957880 - Expose memory pressure events to gaia's system app r=gwagner a=1.3t+
Bug 958250 - Improve lazy loading in TelemetryPing.js r=nfroyd a=1.3t+
Bug 913243 - Load ErrorPage.js only when error occurs. r=fabrice a=1.3t+