improve font engine error map (cocos#5399)

* improve font engine error map

* improve code

* update warnID

* refine code

Sync branch v2.2.0 to v2.2.0-release

Merge branch 'v2.2.0' into v2.3.0

* v2.2.0:
  fixed api link error. (cocos#4920)
  support alipay minigame (cocos#4880)
  fixed api docs (cocos#4918)
  add Edge browser type && fix webAudio bug on Edge and Baidu browser (cocos#4910)
  remove warning when upgrading editBox compnent (cocos#4916)
  move platform related code (cocos#4913)
  fix warn after subContextView modules are excluded (cocos#4737)
  refine code (cocos#4900)
  fix scrollView bug for 2d-tasks/issues/1555 (cocos#4894)

# Conflicts:
#	cocos2d/core/mesh/CCMesh.js
#	cocos2d/core/platform/CCSys.js
#	cocos2d/core/utils/profiler/CCProfiler.js

fix CCParticleSystem set material define wrong operation (cocos#4888)

Sync branch v2.0.10-patch to v2.1.2-release

Fix a sorting error when the node have been removed. (cocos#4710) (co…

…cos#4836)

* Fix a sorting error when the node have been removed.

* avoid geter

(cherry picked from commit 6b9b796)

Fix a sorting error when the node have been removed. (cocos#4710) (co…

…cos#4836)

* Fix a sorting error when the node have been removed.

* avoid geter

(cherry picked from commit 6b9b796)

Sync branch v2.0.11-release to v2.1.2

fix 3d-model not showing (cocos#4666)