seperate repeater for cardio
deleting cardio entries, more cleanup
saving of cardio data, updating, add new cardio detail controller, add more route controlling
repeater tracking for cardio
remove some storage stuff not used, fix the cardio id passing to the workout
give the sass some structure, little clock icon for cardio
clean up the cardio form a bit
properly show empty message when there are no exercises or cardio in a workout
properly pluralize workout count
Merge pull request #8 from dmackerman/cardio-timer

more, finished cardio timer work
some workout date initial stuff
data changes now show on individual exercises
main workout list now shows the last time any exercises in that particular workout, or the workout itself was updated
Merge pull request #9 from dmackerman/workout-date

user should be able to see the date of the last time they performed a workout