Cosmetic changes only.
Moved ServerJoinRequest from CurrentUser into RequestConnection
(from which file it is also used in online_screen). And cosmetic
changes everywhere.
Merge branch 'master' of github.com:supertuxkart/stk-code
Made getCurrentUser() a static function.
Removed signedInAs function.
Removed unused parameters.
Merge branch 'master' of github.com:supertuxkart/stk-code
Fixed documentation.
Merge branch 'master' of github.com:supertuxkart/stk-code
Moved saved session data from UserConfig to PlayerProfile - which
means that now each player can individually save an online session.