Merge branch 'add_inittable_attribute' into 'master'

jass/__main__.py

jass/models/inittable.py

jass/test/data_real/initTable.hdf5

jass/test/data_real/metadata.txt

jass/test/data_real/summary.csv

jass/test/data_test1/initTable.hdf5

jass/test/data_test1/metadata.txt

jass/test/data_test2/initTable.hdf5

jass/test/data_test2/metadata.txt

jass/test/test_server.py

jass/test/update_test_hdf5_files.sh

requirements.txt

scripts/hdf5_add_attributes.py