Added a table for storing Aerobic Exercises.  The table remembers the exercise name, duration, initial heartrate, and final heartrate
Merge branch 'master' into 69AddAerobicTable
Added entries for AerobicExercises to populate.py
Merge pull request #73 from CSc436/69AddAerobicTable

Added a table for storing Aerobic Exercises.  The table remembers the ex...