Removes uthash in CCGLProgram
Fixed Label shifting when outline feature enabled
load attached sprite from cache
add getMeshCount method
Merge pull request #8904 from Dhilan007/v3-labelfix

Fixed Label shifting when outline feature enabled
Merge pull request #8920 from super626/fixsprite

Fix sprite
[ci skip] Update CHANGELOG
Merge pull request #8892 from dumganhar/rm-uthash

Removes uthash in CCGLProgram,uses std::unordered_map instead