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