Remove old files
Merge with master
Remove .DS_Store
Remove odd extra .DS_Store files
Add BMI calculation method
Add usage for height and BMI calculations
Add method to calculate fat weight
Add method to calculate lean muscle
Add method to calculate FFMI
Add fixes for all calculations in metric
Convert imperial levels to metric for BMI calculations
Add some comment changes to the bodyfat model
Merge pull request #8 from bergenhem/data-layer

Add data layer calculations for BMI, FFMI, lean muscle, and fat