[Changelog] Spelling mistake
[Opus.Core] Added Opus.Core.IIsGeneratedSource to identify modules that generate source to be compiled.
[packages,QtCommon,dev] Moc compiled source now report themselves as generated source, and indicate that QMake builders automatically handle the generated source in the compilation step
[packages,C,dev] Cleaner method of detecting whether an object file is from generated source, and whether it is handled automatically by the builder, e.g. QMake