Notes: Added note on Code quality and standard
Remove old screenflow code
Create a documentation folder
Move ir transformatio to the javascript folder
Move Draw2D to js directory
Start of clean IR transformer definition
IR transformer: extract info handler
IR transformer: Change info to inform to reflect specs in IR.js
IR transformers: inform callbacks working
Removed duplication in tests
IR transformer: Added choice generator
IR transformer: refactor
IR transformer: Handle multiple choices correctly.
IR transformer: Suppress error messages with dummy callback
IR Spec: add class attribute to choices in choice node
IR transformer: support new class attribute in choices
Add Compiled coffescript files

 This is a temporary measure to account for the fact that our code repository
 is also our deployment pathway. In the future, the repository code shouldn't
 contain any compiled artefacts.
Merge remote-tracking branch 'origin/master' into ir-transformation