rename understanding to understand in nav
County field is highlighted when county is required.
Merge pull request #232 from ascott1/rc-release

rename understanding to understand in nav
add indexOf polyfill for IE8
add better placeholder polyfill for IE8
Merge pull request #233 from stephanieosan/loan-types-final-content

Understanding to understand
Logic errors addressed
Merge pull request #235 from mistergone/master

Fixing things I broke myself
Merge pull request #234 from ascott1/rc-release

MOAR IE8 FIXES
corrected link at the top of the rate checker to point to owning a home landing page