making sure model updates when user selects an answer.
Creating the backbone for the report feature.
Merge branch 'develop' of https://github.com/lergo/lergo-ui into develop

Conflicts:
	app/index.html
	app/scripts/controllers/lessons/StepDisplay.js
	app/scripts/controllers/lessons/Update.js
decided about a model for the report
decided about the events we will report in the first implementation
implemented an update to the DB
documented all the models.
adding an email with a link when someone finished the lesson with a link to the report
started a basic view for the report.
decided about a model for the report
decided about the events we will report in the first implementation
implemented an update to the DB
documented all the models.
finished report implementation
Merge branch 'develop' of https://github.com/lergo/lergo-ui into develop