In order to build:

1)  Download the repository (which if you're doing this, you already have)
2)  type "ant compile" (or "ant package if you'd like the full package)

In order to run unit tests

1) Edit the file src/test/resource/cloudfiles.properties, changing the 
   username and password as needed
2) run "ant test" to run the unit tests
3) run "ant test-report" if you'd like to create a hand-dandy html report on the tests.