* 2.1:
[HttpFoundation][BrowserKit] fixed path when converting a cookie to a string
[BrowserKit] removed dead code
[HttpFoundation] fixed empty domain= in Cookie::__toString()
fixed detection of secure cookies received over https
[Translation] removed an uneeded class property
[Translation] removed unneeded getter/setter
[Translator] added additional conversion for encodings other than utf-8
fix a DI circular reference recognition bug
[HttpFoundation] fixed the creation of sub-requests under some circumstances for IIS