This avoid issues when push handlers/processors to that logger.
Use the Monolog\ErrorHandler to log errors and exceptions.
PHPCI/Logging/Handler becomes PHPCI/ErrorHandler.
And it only throws ErrorException for reported errors.
No need to initialize a second $loggerConfig in daemonise.
Close#892
Some tests compare the result to english strings.
Do not test UnixCommandExecutor on Windows.
PharTest: explain why PHAR writing test are skipped.
InstallCommandTest: mock checkRequirements to allow the tests to run.
Run php_parallel_lint before all other tests.
Close#846
