Updating generateXMLForBlocks in common.js to be more readable.
Applied Ellen's feedback and added in another variable to add height to the iframe at a slower rate than the blockYPadding.
Merge pull request #34 from brokenairplane/mooc

Updating generateXMLForBlocks in common.js to be more readable.
Merge pull request #41 from brandonbloom/soa2aos

Convert levels form structure of arrays to array of strucures.
Removed TODOs from template and cleaned up the text. More to do after Ellen's CL that moves common messages. Pushing this to avoid merge conflicts, and have maze/template.soy better prepared for final changes.
Merge pull request #43 from brokenairplane/mooc

Removed TODOs from template and cleaned up the text.
Array of structures: Part 2 (maze.js)