refactor xkcd layout#20

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alpiepho wants to merge 3 commits intofyne-io:developfrom

alpiepho:fix_xkcd

Commits on Feb 12, 2020

refactor xkcd layout so buttons are always reachable and image doesn't run off screen
apiepho
committed

Commits on Feb 14, 2020

xkcd: pick a decent size window size; fix string length issue labels
apiepho
committed
Merge remote-tracking branch 'upstream/develop' into fix_xkcd
apiepho
committed