Fixed cobertura coverage reporting so it should now work with sonar. Also should produce old html maven site output.

Issue: GRL-5
Change-Id: I804db1f14ed7fae8e5968ef451bf96ab663f019d
GRL-7 corrects values used in xor3 unit test, and abstracted testing methods for use in other variations of the neural network training tests

Change-Id: I4864e07b66aefbef517e2dded4833681818a1fe1