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 handy-dandy html report 
   on the tests.