news manager and addons manager will happen now).
For online menu a dialog is now presented to explain why
it can't be selected if internet is disabled. Addons can
be selected with internet is disabled if there are
existing addons (so that it's possible to remove addons
without internet access).
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@15035 178a84e3-b1eb-0310-8ba1-8eac791a3b58
taken over by the reqeust manager).
Initialise news and addons manager in a separate thread
and not from the network_http thread anymore. Icons are
also downloaded now from the request manager instead
of the network_http.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@15006 178a84e3-b1eb-0310-8ba1-8eac791a3b58
into three files request, http_request and xml_request.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14978 178a84e3-b1eb-0310-8ba1-8eac791a3b58
