added gruntfile and other dependencies such as ES6 module system transpiler
Merge branch 'master' of https://github.com/moppedisco/EF-your-tomorrow
added some dummy modules for testing ES6 module system
removed big video

don't need big video to do background playing. Doing everything manually and using videos directly
Merge branch 'master' of github.com:moppedisco/EF-your-tomorrow
grunt is working
first draft of playlist feature
new file to handle legacy browser, not implemented yet