This guest post is by Dmitry Skavish, Co-Founder and CEO of Animatron.  A couple of years ago, JetBrains helped us start our company, Animatron, with the goal of building a visual HTML5 animation editor that allows you to create mobile-friendly interactive and animated content in your browser. Animatron began with a middle-school homework assignment. I was surprised to see the quality of the online animation programs my daughter's teacher recommended—some ad-cluttered nightmares that created animated GIFs and that's about it. I did some research, trying to find a better tool, and realize