Support VSCode

[randyzwitch]

• [x] Waiting on https://github.com/JunoLab/Blink.jl/pull/139 and associated fixes
• [x] Make sure rendering works in notebook - [ ] Make rendering work in Juno wontfix
• [ ] Make rendering work in VSCode
• [x] Make rendering work in REPL

[randyzwitch]

Remove Media.jl from display

http://docs.junolab.org/latest/man/info_developer.html#Displaying-Plots-and-Graphics-1

[randyzwitch]

0.7 now supported with ECharts.jl v0.1.0 release, but only via Jupyter Notebook. Additional work needed to make sure Juno, VSCode and others work.