Merge branch 'proper-datasets' of git.cs.lth.se:noricc/jbrainy into proper-datasets

- `gradle run`: Generates applications and gathers performance counters

- `gradle test`: Runs the unit tests.

## Troubleshooting

If the `papi-java` directory is empty after clone

    git submodule update --recursive --init

## Python environment

To set up the python enviroment to run the python scripts:

    mkdir env

    virtualenv env/

    source env/bin/activate.csh

    pip install -r requirements.txt

pandas

scikit-learn