Changelog for v2.2.17

• bug #3504 NoBlankLinesAfterPhpdocFixer - allow blank line before declare statement (julienfalque)
• bug #3522 Remove LOCK_EX (SpacePossum)
• bug #3560 SelfAccessorFixer is risky (Slamdunk)
• minor #3435 Add tests for general_phpdoc_annotation_remove (BackEndTea)
• minor #3484 Create Tokens::findBlockStart (ntzm)
• minor #3512 Add missing array typehints (ntzm)
• minor #3516 Use null|type instead of ?type in PHPDocs (ntzm)
• minor #3518 FixerFactoryTest - Test each priority test file is listed as test (SpacePossum)
• minor #3520 Fix typos: ran vs. run (SpacePossum)
• minor #3521 Use HTTPS (carusogabriel)
• minor #3526 Remove gecko dependency (SpacePossum, keradus, julienfalque)
• minor #3531 Backport PHPMD to LTS version to ease maintainability (keradus)
• minor #3532 Implement Tokens::findOppositeBlockEdge (ntzm)
• minor #3533 DX: SCA - drop src/Resources exclusion (keradus)
• minor #3538 Don't use third parameter of Tokens::findBlockStart (ntzm)
• minor #3542 Enhancement: Run composer-normalize on Travis CI (localheinz, keradus)
• minor #3555 DX: composer.json - drop branch-alias, branch is already following the version (keradus)
• minor #3556 DX: Add AutoReview/ComposerTest (keradus)
• minor #3559 Don't expose new files under Test namespace (keradus)