fix some double-spaces in strings

- remove some unneeded stuff in sendcoinsentry.ui
- harmonize some "Error:"-messages

src/qt/bitcoingui.cpp

@@ -609,11 +609,9 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
 
 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 {
-    QString strMessage =
-        tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
-          "which goes to the nodes that process your transaction and helps to support the network.  "
-          "Do you want to pay the fee?").arg(
-                BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
+    QString strMessage = tr("This transaction is over the size limit. You can still send it for a fee of %1, "
+        "which goes to the nodes that process your transaction and helps to support the network. "
+        "Do you want to pay the fee?").arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
     QMessageBox::StandardButton retval = QMessageBox::question(
           this, tr("Confirm transaction fee"), strMessage,
           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);

src/qt/forms/sendcoinsentry.ui

@@ -52,23 +52,6 @@
    <item row="5" column="1">
     <widget class="BitcoinAmountField" name="payAmount"/>
    </item>
-   <item row="4" column="1">
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
-     <property name="spacing">
-      <number>0</number>
-     </property>
-     <item>
-      <widget class="QValidatedLineEdit" name="addAsLabel">
-       <property name="enabled">
-        <bool>true</bool>
-       </property>
-       <property name="toolTip">
-        <string>Enter a label for this address to add it to your address book</string>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
    <item row="4" column="0">
     <widget class="QLabel" name="label_4">
      <property name="text">
@@ -90,7 +73,7 @@
      <item>
       <widget class="QValidatedLineEdit" name="payTo">
        <property name="toolTip">
-        <string>The address to send the payment to  (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)</string>
+        <string>The address to send the payment to (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)</string>
        </property>
        <property name="maxLength">
         <number>34</number>
@@ -147,6 +130,13 @@
      </item>
     </layout>
    </item>
+   <item row="4" column="1">
+    <widget class="QValidatedLineEdit" name="addAsLabel">
+     <property name="toolTip">
+      <string>Enter a label for this address to add it to your address book</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>

src/qt/sendcoinsdialog.cpp

@@ -148,7 +148,7 @@ void SendCoinsDialog::on_sendButton_clicked()
         break;
     case WalletModel::TransactionCreationFailed:
         QMessageBox::warning(this, tr("Send Coins"),
-            tr("Error: Transaction creation failed."),
+            tr("Error: Transaction creation failed!"),
             QMessageBox::Ok, QMessageBox::Ok);
         break;
     case WalletModel::TransactionCommitFailed: