updated icon download file
Merge pull request #188 from masondesu/eric

updated copy on the brand standards guide
added Hex colors to logo and icons
updated download links
Merge pull request #189 from natespain/standards-guide

Standards guide update
pulled hex changes in
Merge pull request #190 from masondesu/brand-standards

Brand standards
added target blank to download buttons
fixed typo
Merge pull request #191 from masondesu/brand-standards

Brand standards
Merge branch 'eric' of github.com:masondesu/cool-new-ironyard-site into courses
including course contact mixin
Merge pull request #192 from masondesu/courses

Courses
updated a URL on one of the marketing pages