added muscles and muscle to exercise
soft delete of adding an exercise
passing tests for soft delete of exercises modifications
added null check
added exercise type
added exercise-types to seeds
added reference types
some work on the seed data
added missing fields to exercise, implemented seed data
added concern
added nice url concern
fixed broken code... still in a bad state
added delegates
refactored for delegates and added link to muscle listing
added new scope
added viewing by exercise type category
added scope for equipment type)
added categorization by equipment
added nice url to equipment
added launchy for debug purposes