Hi :)

New to ECJ, doing the tutorials.
I just wanted to point out that the definition of "describe" appears to have changed since the tutorials where written. The "subpopulation" var is missing the in the online version (and thus doesn't compile) but is correctly present in the examples bundled with ECJ.

Also, in tutorial 2, the filename is OutMutatorPipeline, when it is intended to be OurMutatorPipeline. :)