add isArray polyfill
Merge remote-tracking branch 'upstream/master' into rc-release
remove ie8 debug alert
layout of new comparison section
basic functionality of new rc comparison module
add full arm functionality to redesigned rc comparison module
begin responsive rc comparison module view
remove old rc comparison module html
Merge pull request #254 from ascott1/rc-comparison-updates

Total re-write of the RC comparison module (plus BONUS IE8 fixes)