Fixed link navbar
Issue #450 -  Update icon font
Update icon Contributors page
Updated icon-font
Issue #450 - Added icons to the navigation
Issue #450 - Added icon and link -all issues-  to the navigation
Added aria-hidden=true to all icons
Issue #450 - Add .js-login-link and update tests.
Changed login to Log in
Issue #450 - icon Navigation Mobile view
Issue #450 - Add icon for "log in"
Merge pull request #499 from webcompat/icon-header

Fixes #450 - Adds icons to navigation