Product page pricing bar style started

Edited: _app-QualityOS_styles.css, _app-index.html
Product page checkout bar styled

Edited: _app-QualityOS_styles.css, _app-index.html
Links, carousel, and review/description switching still needed
Extension Added: Product page review switcher

Edited: _app-QualityOS_styles.css, _app-index.html
Added: _app-QualityOverstock-init.js,
extensions/_QualityOverstock_extension.js