Fix cookie config

[tao-s]

NativeSessionStorage need prefix “cookie_” in parameters.
see:
http://api.symfony.com/2.6/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.html#method_setOptions
http://php.net/session.configuration

[aembler]

Thanks!

[aembler]

@tao-s I had to revert these two commits. Something about them was causing problems. Could you explain what this pull request was solving? I don't think the cookie paths are right.

For example, when I had your pull request, this would cause me problems.

1. Login to a concrete5 site.
2. Go into the Dashboard, into a System & Settings page like Pretty URLs.
3. Open an incognito window, and paste the Pretty URLs URL into the new window.
4. You will have to login. Sign in. Everything will look fine. You'll have a dashboard session in the new window.
5. Go into the Dashboard, everything is fine. Go to Dashboard > System & Settings > Pretty URLs, and you'll have to login. Look at Chrome developer console and you'll see that you have two sessions.

[tao-s]

@aembler
If you install 2 concrete5 in other directory case:
http://www.example.com/a/
http://www.example.com/b/

1. Set path to cookie config. ex: "cookie_path" => DIR_REL.'/'
2. Access each site, login, dashboard...
3. You can see cookie path "/a/" or "/b/", not 2 cookie.

see:
http://c57demo.xross-cube.net/a/
http://c57demo.xross-cube.net/b/

The original code made 2 cookie when this case. ( "/" and "/a/" or "/b/" ).
Because NativeSessionStorage::setOption() is not allow the original code "path".
"path" was be ignore.

Case original code:

1. Log In to /a/.
2. Access to /b/.
3. Display error "session invalidated".