Adjusted roboto font weights.
Added a hover border to buttons.
Fixed an issue causing toasts to not float above other content.
You can now specify a default color for background colorable and foreground colorable
Added styling for radio buttons.
Merge branch '2.0' of github.com:JesseDunlap/fuel into 2.0
Merge pull request #1 from JesseDunlap/2.0

Various improvements and added features.