use this language for software too
note that not all data is copyrightable
it is incumbent on the agency to attempt to determine the intellectual property status, and to mark non-open data in a machine processable manner
jonathan's rewrite
rewriting the introduction to be both normative (you should waive copyright) but without defining open as necessarily public domain
further clarify focus is United States government data
Merge branch 'not_all_data_copyrightable' into new_intro_2
Merge branch 'agencies_should_know_and_mark_status' into new_intro_2
Merge branch 'use_for_software' into new_intro_2
Merge pull request #1 from konklone/v2

V2