How can I use github android libraries on Intellij 13?

Hello

There are a lot of android libraries (such as https://github.com/gabrielemariotti/cardslib ) on github.

I know how can I develop android application with Intellij.

But I don't know how can I import (use) github android libraries on Intellij ?

For example please help me how can I use https://github.com/gabrielemariotti/cardslib on my andorid projects on Intellij?

Regards