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Closes #12517

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Leaving out the -I option in "git grep" would cause an Error 500 because the
resulting line would include "Binary file X matches"

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Closes #6077

- Add attribution for Anton Baklanov
- Remove attributions for employees

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Fixes #2098

This commits also fixes two minor issues:
- Ensure notes that the current user is not allowed to see are not
  returned in the AJAX notes loading
- Ensure the notes counter badge is decremented of 1 instead of 2

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Fixes #9073

some OAuth providers (kerberos for example) only provide a username and an email, but no name. Therefore
a signup fails because the name is empty. Best guess for the name is
probably the username, therefore use it as name.

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Moving 8.5 change to 8.4 since we're merging master into stable for now.

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This allows us to implement artifacts passing: runner will download artifacts from all prior builds

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