Documentation: QtGl sample: minor improvement

Switch to unique_ptr when adequate, and cleanup some part of the code.

changed milestone to %4.0

added Component::Documentation label

added MRStatus::Reviewable label

added MRStatus::Acceptable label and removed MRStatus::Reviewable label

Minor nit, you're probably missing a word after "remove stray" in the 2nd commit

added MRStatus::InReview label and removed MRStatus::Acceptable label

added 295 commits

• 012cb97a...eca2d51b - 292 commits from branch videolan:master
• fabcddd2 - doc: QtGL: switch to C++14
• 2b0c3dd9 - doc: QtGl: use std::unique_ptr<>
• f19a90c4 - doc: QtGl: use nullptr and remove stray

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added 1 commit

• 39f180f8 - doc: QtGl: use nullptr and remove stray comments

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resolved all threads

added 4 commits

• 8758a175 - 1 commit from branch videolan:master
• 910ac0e4 - doc: QtGL: switch to C++14
• 4ff89171 - doc: QtGl: use std::unique_ptr<>
• 827ebab3 - doc: QtGl: use nullptr and remove stray comments

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added MRStatus::Acceptable label and removed MRStatus::InReview label

added MRStatus::Accepted label and removed MRStatus::Acceptable label

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added 16 commits

• 827ebab3...7577cfd2 - 13 commits from branch videolan:master
• a6ab2189 - doc: QtGL: switch to C++14
• 530cc094 - doc: QtGl: use std::unique_ptr<>
• b225c6db - doc: QtGl: use nullptr and remove stray comments

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enabled an automatic merge when the pipeline for b225c6db succeeds

merged