Clip long variant text, hide edit button on mobile

Fixes https://github.com/ongoworks/reaction/issues/37
Remove placeholder on focus

Fixes https://github.com/ongoworks/reaction/issues/38
Updated product grid layout, updated tools

Add visibility toggle to the grid
new layout, with full width /no overflow title
Remove "grid/list" layout from admin account panel
Add alerts to toggle/delete

Fixes https://github.com/ongoworks/reaction/issues/63