v2.1.4

Everything from 2.0.4 -> 2.1.4:
-switch from bell.mvhs.club to periods.io
-hotkeys for switching between settings and main page
-if you change preferences on another computer while one computer is running, the preferences will propagate to the other computer within 5 minutes. aka, we query the servers for preference updates
-analytics now tracks version numbers
-gradient backgrounds + new themes + removed old, ugly themes
-created a build script that reduces build time
-directly add babel to the project
-added fetch polyfill (github/fetch)
-app now compatible on ie 9
-fixed bug where passing periods are removed from schedules
-extra db security
-less db redundancy
-db table structures enhanced for speed
-massive bug with Cache-Control headers being set to one year on certain resources fixed
-fixed mobile compatibility
-restructured client main.js to be smaller and rely on another dependency