Added script makeCourseExtract.sh, which takes a partial course name, and creates a new table with only rows from EdxTrackEvent that reference '%<partialCourseName%' in course_display_name.
Added script makeCourseExtract.sh, which takes a partial course name, and creates a new table with only rows from EdxTrackEvent that reference '%<partialCourseName%' in course_display_name.

paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation