Merge pull request #11 from jjlangholtz/jjl

Fix nav issues.
Styled user sign in and sign up pages
Merge pull request #12 from tylerberry4/tb

Styled user sign in and sign up pages
Added second infographic, edited supported devices
Added names to team page
Merge pull request #13 from tylerberry4/tb

Added second infographic, edited supported devices
Change movement session formula. Use steps instead of distance/calories.
Refactor feature specs.
Rename dashboard controller and clean up specs.
Users can define how many meals they ate were on diet.
Users can select how many meals per day they would like to eat.
Users can complete meals from the dashboard and update their nutrition score.