Updating the studio mixin to deliver context with initial rendering
Merge pull request #480 from edx/sanchez/dynamic-html-modification

Updating the studio mixin to deliver context with initial rendering
Split up Studio view into subviews

Impelement edit prompt view in JS

More JS refactoring

Image submission enable/disable

Implement assessment JS

Common field getter/setter functions

Toggle control for assessment stuff
Remove load functions
Integrate promptview into the studio view
Integrate assessments into studio view