fixed a minor bug, app.js said renderCell instead of renderCells
Merge pull request #10 from SamMatthews9/appJS

App js
Adding the sounds Hans helped us record to the assets, still need to change the seed file, and add a few more
added the rest of the recorded sound files, but purple notes in rows 1-5 are the only ones that are activating
Merge pull request #11 from SamMatthews9/recordedSounds

Recorded sounds
sequencer .md
Merge pull request #12 from SamMatthews9/recordedSounds

sequencer .md
Merge branch 'master' of github.com:SamMatthews9/JavaScript-Motion-Activated-Midi into appJS
updated migration to remove columns table and updated seeds.rb file to work without columns