Voucher item grid now scrolls to bottom on add new item.

closes #288

shop/receiptloadform.cpp

@@ -67,7 +67,8 @@ void ReceiptLoadForm::on_lineEdit_textChanged(const QString &text)
 {
     QSortFilterProxyModel proxy;
     proxy.setSourceModel(m_voucherModel);
-    proxy.setFilterKeyColumn(2);
+    proxy.setFilterKeyColumn(3);
+    proxy.setFilterCaseSensitivity(Qt::CaseInsensitive);
     proxy.setFilterFixedString(text);
 
     QModelIndex matchingIndex = proxy.mapToSource(proxy.index(0,0));

shop/receiptsaveform.cpp

@@ -92,7 +92,8 @@ void ReceiptSaveForm::on_lineEdit_textChanged(const QString &text)
 {
     QSortFilterProxyModel proxy;
     proxy.setSourceModel(m_voucherModel);
-    proxy.setFilterKeyColumn(0);
+    proxy.setFilterKeyColumn(3);
+    proxy.setFilterCaseSensitivity(Qt::CaseInsensitive);
     proxy.setFilterFixedString(text);
 
     QModelIndex matchingIndex = proxy.mapToSource(proxy.index(0,0));

shop/shopform.cpp

@@ -311,6 +311,8 @@ void ShopForm::addItem(QSharedPointer<IShopItem> item, int count)
     this->m_itemsModel->addRow(m_voucher->items()[m_voucher->items().count() - 1]);
     connect(m_voucher->items()[m_voucher->items().count() - 1].data(), SIGNAL(countChanged(int)), this, SLOT(onCountChanged(int)));
     onCountChanged();
+
+    ui->actualReceipt->scrollToBottom();
 }
 
 void ShopForm::on_receiptCombo_currentIndexChanged(int)