add a bunch of parents to dialogs (#3658)

* add a bunch of parents to dialogs

works on #3651

* use game as parent instead

* add more parents

* fix create token dialog modality

* add parent to game information window

* replace a bunch of nullptrs with the magic of sed

* add parent to tip of the day and counters

* reorder game ptr

* set parent for life counter

* clangify

cockatrice/src/gameselector.h

@@ -47,7 +47,7 @@ public:
                  const QMap<int, GameTypeMap> &_gameTypes,
                  const bool restoresettings,
                  const bool showfilters,
-                 QWidget *parent = 0);
+                 QWidget *parent = nullptr);
     void retranslateUi();
     void processGameInfo(const ServerInfo_Game &info);
 };