maybe a bit more dynamic?
something like:

    REPO=`readlink -f $(dirname $0)/..`
    CP=$REPO/blueflood-all/target/blueflood-all-2.0.0-SNAPSHOT-jar-with-dependencies.jar:$REPO/blueflood-core/target/classes

No, `readlink -f` doesn't work on a OSX. works in linux. It resolves a relative path (or softlink) to the absolute path of the target.