Merge 3.17.2#19755

Merged

minggo merged 10 commits intococos2d:v3from

minggo:merge-3.17.2

May 27, 2019

Commits on May 8, 2019

modify engine version (#19677)
minggo
authored

Commits on May 9, 2019

protect empty string (#19680)

PatriceJiang
authored and
minggo
committed

Commits on May 10, 2019

fix twice copy lua scripts error (#19687) (#19691)

drelaptop
authored and
minggo
committed

Commits on May 14, 2019

rename Java_org_cocos2dx_lib_Cocos2dxLuaJavaBridge.* to Cocos2dxLuaJavaBridge.* (#19694)

PatriceJiang
authored and
minggo
committed
fix get environment (#19690)

PatriceJiang
authored and
minggo
committed
update release note and change log (#19711)
minggo
authored

Commits on May 15, 2019

[js-tests/cpp-tests] iOS: add fonts to Info.plist (#19708)

PatriceJiang
authored and
minggo
committed
Update CHANGELOG
minggo
authored

Commits on May 16, 2019

setPercent after initialization (#19718)

PatriceJiang
authored and
minggo
committed

Commits on May 24, 2019

fix conflict
minggo
committed