Merge pull request #52 from contolini/dev

Rate checker control panel improvements
add amortize module
display amortized values in comparison section
fix browser issues for custom select
add some comments
Merge pull request #53 from ascott1/dev

Amortized calculations
add respond.js polyfill
pin Capital Framework dependencies
add aria roles
make downpayment placeholder 10%
calculate the median of the total results
use npm amortize module
remove local amortize files
Merge pull request #55 from ascott1/dev

respond.js, pin dependencies, and add aria roles
Merge upstream