Adds inset block partial
Adding and using UI inset-block component helper
Changing callout style for interest rate warning
Adding risk accent component
Renaming to risk component
Adding risk accent warnings to budget affect statements
Removing go back links in warnings
Outputting risk level from initial markup
Changing medium risk colour
Adding dynamic class with javascript too
Removing unnecessary markup
Merge pull request #152 from moneyadviceservice/warnings

Missing data warnings and risk level colours
partial for different risk scenarios
refactor step views to remove redudant calls to angular wizard directive
display negative values with a hyphen instead of parentheses
remove keep files
use riskPercentage method to dynamically render different budget scenarios
tune the riskLevel method to set correct risk level when on the risk value