Creates individual html for dropdown
Adds simplified  CSS for the new dropdown
Removes old CSS
Improves dropdown item in Chrome, Firefox and Safari
Use SCSS variables for colors.
Fix scss linter errors
Adds animation when the stage is hovered.
Adds back tooltip on dropdown toggle
Fixes broken tests
additional css changes to get more into direction of mockups

Changes after review

Pass `updated_at` to get only incremental changes since last update

Adds hidden-xs class to the all column instead of the div inside it in order to remove extra whitespace when the actions are hidden

Fixes columns width in pipeplines table

Changes table parent element to not be an ul and reduces column width for the Build column

Adds entry to CHANGELOG

Removes added width for build table.

Adds the CHANGELOG entry in the middle to avoid more conflicts with master

Removed commit from pipeline list items

Used local_assigns and changed to positive naming ffor boolean props