Add Delete operation in GridAccount

Fix a bug : Forgot to update stats when there is a modification

src/controller/KissCount.cpp

@@ -467,6 +467,10 @@ void KissCount::GetMonthStats(int month, int year, int nbDays,
     _db->GetMonthStats(_user, month, year, nbDays, operations, categories);
 }
 
+void KissCount::UpdateStats()
+{
+    _wxUI->UpdateStats();
+}
 
 std::map<int, double>* KissCount::GetNotChecked(int month, int year)
 {

src/controller/KissCount.hpp

@@ -113,7 +113,8 @@ public:
     void GetMonthStats(int month, int year, int nbDays,
 		       std::map<int, std::vector<double> >* operations,
 		       std::map<int, double>* categories);
-
+    void UpdateStats();
+    
     std::map<int, double>* GetNotChecked(int month, int year);
     std::map<int, double>* GetVirtualAmount(int month, int year);