* Updated colors with bootstrap variables
* Added _variables.scss that overrides bootstrap defaults
* Fix :focus styles on header links
* Vertically center tables
* Fix footer link color (powered by Spree)
* Update Credit Cards gif with modern alternative
* Fix wrong layout structure for header that broke grid padding a bit
make sure we can add a variant with no stock when tracking inventory is disabled.
- needs some cleaning up due to code duplication here.
ui-datepicker z-index fix
Removed some spaces
Fix track inventory ajax call

Look for parents instead of parent
More decent bootstrap html for product stock pages
Improved the content-header css
Merge pull request #5714 from reinaris/master_on_bootstrap

Admin bootstrap: several fixes
fix check for permissions in shipment_manifest
Merge pull request #5705 from devilcoders/bs_fixes_frontend

* Updated colors with bootstrap variables