Initializes challenges and its specs.
Put in the Chi Rho namesake.
Changes the user panel design.
Changes the user grid further to look more appealing.
Enhances the user layout.
Background image dynamically resizes with window.
Removes turbolinks and initializes the weekly challenge display model without tests.
Adds gon gem for future javscript usage, creates a working navbar guide, allows for challenge creation from the weekly challenge display for any user.
Adds non-working due_at time paramter.
Merge pull request #87 from TrevorJin/goals-and-challenges

Goals and challenges #codedomination