Support select by nearest point to mouse#917

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squaregoldfish wants to merge 6 commits intodanvk:masterfrom

squaregoldfish:nearest-point-opt

Commits on Feb 27, 2018

Nearest point is working. No tests yet. (#371)
squaregoldfish
committed

Commits on Feb 28, 2018

Fix getSelection for duplicate x points
squaregoldfish
committed

Commits on Mar 2, 2018

Tests for euclidian selectMode
squaregoldfish
committed

Commits on Mar 5, 2018