How to install XCGLogger?

Question

I want to add the XCGLogger Framework to my project.

At the XCGLogger github page is a "how to use"-section and a also a demo project. Some tasks are not quite clear for me. Therefore some questions:

1. "Add the XCGLogger project as a subproject to your project" - Does it mean to simply drag the "Library"-Folder into to my project folder in the project navigator?
2. "and add either the iOS library as a dependancy of your target(s)" - How am I doing that?
3. What do I have to do at the Product->Scheme->Edit Scheme ... Menu? Because I don't want the framework in my release build.