Updated the README after trying it.
Updated the README after trying it.

The compile command should be `ant' rather than `ant jar', since ant
compiles Giza++ and KENLM, and ant jar does not.

The README points to the wrong directory for the example configuration
file.

kpu/joshua,fhieber/incubator-joshua,lukeorland/joshua,fhieber/incubator-joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,thammegowda/incubator-joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,thammegowda/incubator-joshua,gwenniger/joshua,gwenniger/joshua,lukeorland/joshua,fhieber/incubator-joshua,lukeorland/joshua,kpu/joshua,kpu/joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,gwenniger/joshua,lukeorland/joshua,fhieber/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,gwenniger/joshua,thammegowda/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,gwenniger/joshua,gwenniger/joshua,kpu/joshua,kpu/joshua,lukeorland/joshua,lukeorland/joshua,kpu/joshua