Updated scriptLoader
Updated adapt.json
added watch spec for course assets and course json, added copy task for both
Updated router to set _isVisited on models
This change fixes #166

The onQuestionIncorrect() function was returning random single character
feedback.
Removed console.log()
Merge pull request #167 from adaptlearning/issue/#165

Updated router to set _isVisited on models
Merge pull request #164 from cajones/feature/grunt-watch-course

"grunt watch" now monitors src/course/**/*.json
Merge pull request #168 from adaptlearning/Issue/166

Issue/166
Merge branch 'develop' into issue/162

* develop:
  Removed console.log()
  This change fixes #166
  Updated router to set _isVisited on models
  added watch spec for course assets and course json, added copy task for both
  Updated adapt.json
  Updated scriptLoader