docs(licence): update licence dates

6 jobs for branch/default in 7 minutes (queued for 12 seconds)
Status Name Job ID Coverage
  Lint
passed check-manifest #493401
lint check-manifest

00:01:35

passed flake8 #493400
lint flake8

00:01:38

passed safety #493402
lint safety

00:02:48

 
  Tests
passed py27 #523985
py2 tests

00:04:10

passed py3 #493404
tests py3

00:00:57

failed py27 #493403
tests py2

00:03:05