Update to data 3.0.0

[docktermj]

Make changes from 2.0.0 to 3.0.0

Examples:

From

    export SENZING_DATA_VERSION_DIR=/opt/senzing/data/2.0.0

to

    export SENZING_DATA_VERSION_DIR=/opt/senzing/data/3.0.0

From

export SENZING_DATA_VERSION_DIR=${SENZING_DATA_DIR}/2.0.0

to

export SENZING_DATA_VERSION_DIR=${SENZING_DATA_DIR}/3.0.0

From

export SENZING_DATA_VERSION_DIR=/opt/my-senzing/data/2.0.0

to

export SENZING_DATA_VERSION_DIR=${SENZING_DATA_DIR}/3.0.0

From

${SENZING_DATA_VERSION_DIR:-/opt/senzing/data/2.0.0}:/opt/senzing/data

to

${SENZING_DATA_VERSION_DIR:-/opt/senzing/data/3.0.0}:/opt/senzing/data

[docktermj]

Pull requests:

• #259