header styling
renamed anything that was "MyCardioApp" to "MyCardioPal"
changed alert and notices font color back to black
added activities table
added activity model
added default to position column on activities
added activities controller
added activities resource to routes
added workouts table
added workout model
store workout incline as a float instead of integer
changed activities MET column from integer to float
added workout controller
added workouts resource to routes
added setter method for the time attribute on workouts
added small selectBG background image
added workout create form and new/create actions in controller
added complete array of units for distance unit select field
added unit column to workouts
added databases.rake file to .gitignore