Removed the old security system.

Signed-off-by: Wolf480pl <wolf480@interia.pl>
Added CommonPolicy.CommonPermissionCollection

Signed-off-by: Wolf480pl <wolf480@interia.pl>
Added YamlConfiguration to CommonPolicy

Signed-off-by: Wolf480pl <wolf480@interia.pl>
Added BrowserPermission
Added Client.openBrowser(URI)

Signed-off-by: Wolf480pl <wolf480@interia.pl>