Merge pull request #14 from SamMatthews9/appJS

functions to play each activated cell by column
readded the sound activation function for when selecting a cell in application.js
Merge pull request #16 from SamMatthews9/appJS

js application cell and column loops seperated
Removed some extra lines to clean up the application.js
Merge pull request #17 from SamMatthews9/appJS

fixed seeds.rb to reflect new lib organization (by folder)
wrote function to iterate through columns at interval. needs to be refactored