[6.x] Add a welcome screen for new Kibana instances (#21353)#22164

Merged

chrisdavies merged 1 commit intoelastic:6.xfrom chrisdavies:backport/6.x/pr-21353

Aug 17, 2018

+992-211

Commits on Aug 17, 2018

Add a welcome screen for new Kibana instances (elastic#21353 )
chrisdavies
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