Projects blank state

## What does this MR do?

Adds a designed blank state to dashboard/projects

## What are the relevant issue numbers?

Part of #18519 

## Screenshots (if relevant)

![Screen_Shot_2016-06-24_at_17.14.46](/uploads/593ea1c5efa2310a0f94b2d56d94cf3c/Screen_Shot_2016-06-24_at_17.14.46.png)

See merge request !4909