merge the commit from upstream#4

Merged

gogoend merged 215 commits intogogoend:devfrom

Oct 30, 2018

Commits on Jul 19, 2018

add boxselection demo
HypnosNova
committed

Commits on Jul 26, 2018

fromBufferGeometry: improve readability on trinary operator for vectors
erasta
authored

Commits on Aug 3, 2018

fix bugs
HypnosNova
committed

Commits on Aug 26, 2018

Added BufferGeoemtry version of QRCode model
Mugen87
committed

Commits on Aug 30, 2018

Add scaling factor for webvr render size
Josh Patterson
committed

Commits on Aug 31, 2018

As it was discussed in issue #14532
soadzoor
committed

Commits on Sep 7, 2018

Update geometry.html
ieskudero
authored

Commits on Sep 27, 2018

Commits on Oct 8, 2018

Fix linter errors in examples WebGL A-L
looeee
committed

Commits on Oct 10, 2018

Commits on Oct 12, 2018

Commits on Oct 13, 2018

added scene comparison example
looeee
committed

Commits on Oct 14, 2018

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Commits on Oct 19, 2018

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Commits on Oct 29, 2018