Improve make_release script to optinally handle tagging and be more generic. It can now be used to prepare a fully configured version of flys. There are still some variables to set in the script or to be overwritten by environment variables.

package de.intevation.flys.jfree;

/** Interface to say something is labelled. */
public interface HasLabel {
    public String getLabel();
    public void setLabel(String label);
}
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