* master: (59 commits)
Update deps
Reuse repository manager and others directly from the Composer instance, refs #9057
Fix usage of create-project with local filesystem repos
Fix return value
Add support for multiple --repository additions in create-project, and make --add-repository delete the lock file, fixes#8853
Remove cygwin php handling in UAC elevation
Clean up a little to make impl less invasive and to handle replacers/providers
Supply event dispatcher in Create Project Command
Avoid attempting to use /etc/xdg as base config home, fixes#9053, refs #9045
Create an issue @ Docker repository on tag
Mark transaction classes internal, refs #8827
Prepare 1.10.9 release
Remove highest/lowest builds for 1.10 maintenance branch
Fix bitbucket detection of redirects to login page, fixes#9041
Fix doc comment
Fixed spelling mistake
Add Windows UAC elevation to self-update command
GitLab: clarify interactive auth prompt
Improve support for XDG and default to XDG config dir if both that and ~/.composer are available, fixes#9045Fix#9033 - inconsistent behavior with minor-only flag
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* RemoteFilesystemTest: simplifying some mock expectations calls
- will($this->returnValue()) to willReturn()
- will($this->returnCallBack()) to willReturnCallback()
* RemoteFilesystemTest: extracting identical mocks for IOInterface into a separate getIOInterfaceMock() method
* RemoteFilesystemTest: converting protected helper methods to private.
* RemoteFilesystemTest: moving getConfigMock() private method after the public methods (with other private methods)
* adding RemoteFileSystemTest::testCopyWithRetryAuthFailureFalse() unit test.
* Allow optional injecting of AuthHelper into RemoteFilesystem constructor.
* adding RemoteFileSystemTest::testCopyWithSuccessOnRetry() unit test.
* using backward compatible @expectedException in RemoteFilesystemTest.php
* RemoteFilesystemTest: extracting RemoteFilesystem with mocked method creation into a separate method.
* RemoteFilesystemTest: extracting AuthHelper with mocked method creation into a separate method.
Jordi Boggiano