styling tweaks
Fix Battle Controller
WIP
New Battle Box
Remove second Battle button
Merge pull request #68 from pocket-gophers-2014/Battle_box_rewrite

Battle box rewrite
adds form validations for signup and custom views for zombies/humans
adds back button for login and signup
fixes humans biting each other and humans biting self
fixes color break on h3 in merge
Merge pull request #69 from pocket-gophers-2014/form_validations

Form validations
Fix Whitespace
Checkins#new: Extract distance calculation to DistanceCalculator

This logic is complicated and powerful and should
not live in a controller
Refactor of CheckinsController

Simplify interface
debugged steven refactor of controller, need to add error if no ingredient discovered