Add new heatmap mode to CAN data grid widget, put that widget onto

Frame Info Window. Made Frame Info Window able to have the two sides
resized relative to each other

re/frameinfowindow.h

@@ -5,6 +5,7 @@
 #include <QFile>
 #include <QListWidget>
 #include <QTreeWidget>
+#include <candatagrid.h>
 #include "can_structs.h"
 #include "bus_protocols/j1939_handler.h"
 #include "dbc/dbchandler.h"
@@ -32,6 +33,8 @@ private slots:
 private:
     Ui::FrameInfoWindow *ui;
     QCustomPlot *graphByte[8];
+    QCustomPlot *graphHistogram;
+    CANDataGrid *heatmap;
 
     QList<int> foundID;
     QList<CANFrame> frameCache;