Issue #2313989 by sun: Update vfsStream to 1.3.0.

composer.lock

core/vendor/composer/ClassLoader.php

core/vendor/composer/autoload_real.php

core/vendor/composer/installed.json

core/vendor/mikey179/vfsStream/.coveralls.yml

core/vendor/mikey179/vfsStream/.gitignore

core/vendor/mikey179/vfsStream/.travis.yml

core/vendor/mikey179/vfsStream/CHANGELOG.md

core/vendor/mikey179/vfsStream/CHANGES

core/vendor/mikey179/vfsStream/LICENSE

core/vendor/mikey179/vfsStream/composer.json

core/vendor/mikey179/vfsStream/phpunit.xml.dist

core/vendor/mikey179/vfsStream/readme.md

...79/vfsStream/src/main/php/org/bovigo/vfs/DotDirectory.php

...tream/src/main/php/org/bovigo/vfs/content/FileContent.php

.../src/main/php/org/bovigo/vfs/content/LargeFileContent.php

...c/main/php/org/bovigo/vfs/content/SeekableFileContent.php

...ain/php/org/bovigo/vfs/content/StringBasedFileContent.php

...ey179/vfsStream/src/main/php/org/bovigo/vfs/vfsStream.php

...rc/main/php/org/bovigo/vfs/vfsStreamContainerIterator.php