SRS update of course admin and instructor interfaces
Update SRS
Merge remote-tracking branch 'origin/Develop/Bill'
Add file skeletons
implement CRUD for Lesson
More updates for Lessons
remove config_ directory
Add tiny_mce library
Add views for Lesson Editing
Update User Controller Test
Finish lesson and lesson content updates
update sql
Adding Courses
courses tests
courses model test
changed prerequisite to course_id and related app logic | added user_id as instructor for courses