* WIP notifications only show 2 at once
* separate and bundle notifications to pairs
* notification fadein/-out/move animations - remove notifications on an interval instead of calculated timeouts
* easier way to import all sprite css files
* add stories + fix sizes / paddings + click to hide + animation fixes
* keep notification at the top but always under the toolbars
* change animations to ease-in 0.25s + add prop to change the delay between deletion and add
* fix adding logic in a rare case of added notifications when only one item is currently visible + add debug mode
* disable lint for notification console
* add more notification example trigger buttons
* potential fix of animation / queue
* increase amount of notifications to 4
* fix sanity
* fix test:unit call again
* new notification styles - fix animations
* keep error notifications visible until manually removed + refactor adding/removal logic
* fix margins
* prevent multiple filling + different delay on filling
* stop and restart removal timer on new notifications
* reduce line-height / apply different margin for icons
* move sprites.scss out and use it in app.vue as well
* update sprites back to 31
