Build: Include test folder in dist branches

Fixes gh-1631
Added rel="external" icon
Making sure rel="external" icon doesn't bleed into share widget
Icon sprite updated
Make sure external icon doesn't appear in header, footer or left menu
Merge pull request #1686 from EricDunsworth/v3.0-broken-link-fixes

Grids placeholder links
Merge pull request #1632 from nschonni/add-responsive-to-dist-branches

Build: Include test folder in dist branches
Fixed double nav-current issue in #1722.
Removed duplicate code for nav-current fix.
Merge pull request #1723 from pjackson28/v3.0

Fixed double nav-current issue in #1722
Fixed Multimedia Player display issues in #1160.
Merge pull request #1725 from pjackson28/v3.0

Fixed Multimedia Player display issues in #1160
Added item number to Lightbox alt text.
Merge pull request #1728 from pjackson28/v3.0

Added item number to Lightbox alt text
Formatting changes to SCSS files re: external icon
spacing issues fixed in scss file
Moved the generation of working examples before the fetch to ensure a clen branch
Diverted the build output to the wet-boew-dist repo
Fixed wrapping issue identified in #1703 for module-spotlight.
Merge branch 'v3.0' of https://github.com/wet-boew/wet-boew into v3.0