Update readme.md

Added an extra challenge, as well as telling students to test their code at each step.
Update readme.md

Changed to new 'Release' format.
formatted list properly
Update our_solution.js

Changed our_solution.js to be consistent with the readme. This file started numbering with 1 and ended at 4, missing "But wait, there's more!" - I renumbered it starting with 0 and added the missing section.
curriculum and challenge names updated
fixed merge conflict
fixed bolding formatting
Merge pull request #34 from Birdrock/patch-1

Update our_solution.js
bunch of changes