GLProgram should not abort() if shader compilation fails, returning false will allow app to show custom error message to user (or use other simple shaders if a complicated shader fails to compile on some device).
fixed calculating height of multi-line string was incorrect on IOS.
fixed typo.
[ci skip] Set github commit status context & description
Merge pull request #7045 from heliclei/commit-status-desc

[ci skip] Set github commit status context & description
Merge pull request #7042 from Dhilan007/v3-systemfont-ios

LinWenhai	fixed calculating height of multi-line string was incorrect on IOS.
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Merge pull request #7031 from sachingarg05/GLProgramNoAbort

GLProgram should not abort() if shader compilation fails, returning false is better.
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Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_lua_ui_fix