Abstracted weight value calculator method
Moved lean_mass_value to lean_mass
Moved fat_mass_value to fat_mass
Moved fat_percentage to fat_percent
Added secret_token
Moved weights.recorded_at to weights.date
Removed deprecated measurements resource from routes
Updated weight spec recorded_at -> date
Added weight serializer
Tidied up home controller
Moved locations to places and renamed recorded_at to date
Added CanCan and Ability class
Code style changes
Added more specs to Places - good example for the future
Added place and user serializers
Merge pull request #8 from jdjkelly/feature/api_cleanup

Feature/api cleanup