GUI: Clarify terminology; use "Label" heading for labels row, and "Node/Service" rather than [IP] "Address"

src/qt/peertablemodel.cpp

@@ -115,7 +115,7 @@ PeerTableModel::PeerTableModel(ClientModel *parent) :
     clientModel(parent),
     timer(0)
 {
-    columns << tr("Address/Hostname") << tr("User Agent") << tr("Ping Time");
+    columns << tr("Node/Service") << tr("User Agent") << tr("Ping Time");
     priv = new PeerTablePriv();
     // default to unsorted
     priv->sortColumn = -1;

src/qt/transactiontablemodel.cpp

@@ -227,7 +227,7 @@ TransactionTableModel::TransactionTableModel(CWallet* wallet, WalletModel *paren
         priv(new TransactionTablePriv(wallet, this)),
         fProcessingQueuedTransactions(false)
 {
-    columns << QString() << QString() << tr("Date") << tr("Type") << tr("Address") << BitcoinUnits::getAmountColumnTitle(walletModel->getOptionsModel()->getDisplayUnit());
+    columns << QString() << QString() << tr("Date") << tr("Type") << tr("Label") << BitcoinUnits::getAmountColumnTitle(walletModel->getOptionsModel()->getDisplayUnit());
     priv->refreshWallet();
 
     connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
@@ -626,7 +626,7 @@ QVariant TransactionTableModel::headerData(int section, Qt::Orientation orientat
             case Watchonly:
                 return tr("Whether or not a watch-only address is involved in this transaction.");
             case ToAddress:
-                return tr("Destination address of transaction.");
+                return tr("User-defined intent/purpose of the transaction.");
             case Amount:
                 return tr("Amount removed from or added to balance.");
             }