added comments
keep trying to solve #208
renamed internet connectivity events so that their names to the same with the ones triggered in connection state model
renamed internet connectivity event so that it compliant with the one triggered in connection state model
removed unused commented code
no actual change
removed featuredQuestions.php, the loading of questions for featured content is done in featuredCourse.php
refactoring tests.
clean up code
clean-up code and adding comments