Add responsive height feature#92

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sahilchinoy wants to merge 5 commits intomasterfrom

responsive_height

Commits on May 24, 2018

add responsive height setting
Sahil Chinoy
committed
validate options
Sahil Chinoy
committed
sort artboards
Sahil Chinoy
committed

Commits on May 31, 2018

Refactored, added tests
mbloch
committed

Commits on Jun 5, 2018

Update resizer function to handle multiple visible artboards
mbloch
committed