Merge branch 'master' into navigation
Height out by 1px

Everything should align to 1px
Adding a rem fallback mixin

Allowing for rem property when not using rhythm widths/heights
Switching Search and Cart around

Easier handling of cart changing width as items are added to cart
fixing z-index of nav and logo
removing redundant css
Adding font size for primary nav
Styling of 2nd level as per design
Adjusting nav items to match current

Products &amp; services is just too long grrrrr
Adjusting all header breakpoints

Now using default variables - adjusts font sizing.
Merge branch 'navigation'