Complete rewrite of sf::Font to make it more flexible (no more fixed charset and size)

FS#125 - Fix tab character not working in sf::String

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1309 4e206d99-4929-0410-ac5d-dfc041789085

samples/pong/Pong.cpp

@@ -47,7 +47,7 @@ int main()
     // Initialize the end text
     sf::Text end;
     end.SetFont(font);
-    end.SetSize(60.f);
+    end.SetCharacterSize(60);
     end.Move(150.f, 200.f);
     end.SetColor(sf::Color(50, 50, 250));