console: handlers: managepackages: showReasonChainForAskedPackage: it's valid for reason package not to change the state

For example:

"a: depends: b | c" and c is removed by user
downloadmethods: wget: refactoring: new method 'generateWgetParametersVector'
lib: download: method{,factory}: don't require shared_ptr< Config > anymore
lib: download: manager: refactoring: InnerDownloadElement: don't duplicate DownloadEntity but link to it instead