corrected exit tranisition animation with zoom#179

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KirkBushman wants to merge 7 commits intoPiasy:masterfrom

KirkBushman:master

Commits on Oct 19, 2019

first debug and test
luca
committed
fix transition
luca
committed

Commits on Oct 22, 2019

added scale control to biv, added to sample app scale out for exit animation
luca
committed

Commits on Dec 7, 2019

Merge remote-tracking branch 'upstream/master'
luca
committed

Commits on Dec 8, 2019

working sample, with tall images
luca
committed

Commits on Dec 13, 2019

merge with upstream
luca
committed
added override on GlideImageViewFactory
luca
committed