Merge pull request #136 from luciddesign/gearshop

Gearshop
pull and rebuild
update bower components and rebuild
fix hidden main navbar if no top navbar
show main nav in top even if there is no top nav
Fix glitch with testimonials with no avatars
Make text-muted a relative (opacity) colour
Move index product list into own snippet

This is to allow better control of layout etc on the homepage and to
make room for dynamic thumbnail size depending on number of products.
Fix glitch with text-muted
Revert "Move index product list into own snippet"

This reverts commit 8ca0c453dec7c68dec36034456956bba78664fcb.
Tidy up thumbnails per row stuff

And add new “adaptive” thumbnails setting which is very cool!
Combine qty and add to cart button

Closes issue #122
Add native support for Shopify Reviews app
Tidy up thumbnail spans
Merge branch 'master' into gearshop

Conflicts:
	theme/config/settings.html
	theme/snippets/_product.liquid
	theme/snippets/product-add-to-cart-form.liquid