Merge in develop again#1

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3noch wants to merge 8 commits intoConferHealth:developfrom

grafted-in:develop

Commits on Jul 11, 2017

Commits on Aug 2, 2017

Commits on Aug 12, 2017

Fixes for ghc 8.2
hamishmack
committed

Commits on Aug 13, 2017

Switch the gc test to headless chromium and sandbox it
Ryan Trinkle
committed
Merge remote-tracking branch 'origin/ghc-8.2' into develop
Ryan Trinkle
committed

Commits on Sep 8, 2017

Merge remote-tracking branch 'topstream/develop' into develop
3noch
committed