Change member variable naming scheme for dbhandler
Stub out some methods for dbhandler
Remove unused imports
Add a table name to the CourseContract
Add instructor contract class
Add create table statements

For both course and instructor tables
Remove unused context class variable
Implement insertCourse simply
Add instructor id field to course object
Remove leading 'm' from all setter arguments
Add id to instructor setter
Add TODO note
Change instructor id to long
Add Instructor Data class
Add asContentValues to Instructor data class
Make two asContentValues forms for Course object
Make Course instructor an Instructor object
Add static factory from cursor for Instructor
Make id property negative one by default
Change naming of content values variable