AO3-6613 Clarify GPL version #3168

Job	Run time
rake db:otwseed	2m 12s
rspec spec/controllers	14m 30s
rspec spec/models	7m 56s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	9m 20s
cucumber features/admins	5m 44s
cucumber features/bookmarks	5m 20s
cucumber features/collections	6m 42s
cucumber features/comments_and_kudos	7m 21s
cucumber features/gift_exchanges	8m 19s
cucumber features/importing	3m 21s
cucumber features/other_a	12m 25s
cucumber features/other_b	9m 16s
cucumber features/prompt_memes_a	5m 10s
cucumber features/prompt_memes_b	5m 24s
cucumber features/prompt_memes_c	6m 55s
cucumber features/search	8m 24s
cucumber features/tag_sets	3m 48s
cucumber features/tags_and_wrangling	7m 29s
cucumber features/users	5m 10s
cucumber features/works	15m 37s
	2h 30m 23s

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