Image src standards

[jessebadry]

I propose it would be cleaner to implement images by using import statements, e.g

react:
import {BlankProfilePicture} from "../../img/blank-profile-picture.png";

instead of
require("../../img/blank-profile-picture.png")

this is so we can write our code like so:
<img src={BlankProfilePicture} />
instead of
<img src={require("../../img/blank-profile-picture.png")} />
as the former is more readable.