tweaks for mobile nav
css for mobile nav.  add in font icon for open-close button
Merge branch 'master' of https://github.com/Branded-Experiences/gmc-trade-secrets
Attempt to make logo resizable
nav tweaks from shay
more nav tweaks
Merge branch 'master' of https://github.com/Branded-Experiences/gmc-trade-secrets
more nav tweaks