Created structure for a simple request. Created the courses list activity, which currently just shows a progress circle that will not end. Structure put in place for courses
rvertido

Added Lesson capability and activity/view for both
lesson lists (specific to a course) and specific lessons (single lesson in a course)
Completed the courses list activity
rvertido

Added TextView to display the content of the specified lesson
rvertido

Fixed shadowing bug:
was storing list of courses in local variable instead of field
rvertido

Fixed functionality of listing lessons and viewing lessons
rvertido

Added temporary DEBUG functionality.
Will be removed when API is fully functional.
Commented files
Fixed a url
Fixed other url
Merge pull request #6 from Eduki/courses_backbone

Courses backbone -reviewed by rvertido