Update store UI and update store controller to insert only specific items into scope
Update inventorye UI and update inventory controllers
Add alerts to improve UX when clicking on buttons
Add functionality to start and request battles
Change from refresh button to refresh on pull down
Add alert after battle request is sent
Update attribute calculations to include fitbit data
Merge pull request #24 from fatchicken007/master

Update character, store, inventory, friends and battle screens and controllers