Added component WarningBox and added a warning to remote node page

components/WarningBox.qml

@@ -0,0 +1,63 @@
+import QtQuick 2.7
+import QtQuick.Layouts 1.1
+import QtQuick.Controls 2.0
+
+import "." as MoneroComponents
+
+Rectangle {
+    id: root
+    property alias text: content.text
+    property int fontSize: 15 * scaleRatio
+
+    Layout.fillWidth: true
+    Layout.preferredHeight: warningLayout.height
+
+    color: "#09FFFFFF"
+    radius: 4
+    border.color: MoneroComponents.Style.inputBorderColorInActive
+    border.width: 1
+    
+    signal linkActivated;
+    
+    RowLayout {
+        id: warningLayout
+        spacing: 0
+        anchors.left: parent.left
+        anchors.right: parent.right
+
+        Image {
+            Layout.alignment: Qt.AlignVCenter
+            Layout.preferredHeight: 33
+            Layout.preferredWidth: 33
+            Layout.rightMargin: 14
+            Layout.leftMargin: 14
+            Layout.topMargin: 12
+            Layout.bottomMargin: 12
+            source: "../images/warning.png"
+        }
+
+        TextArea {
+            id: content
+            Layout.fillWidth: true
+            color: MoneroComponents.Style.defaultFontColor
+            font.family: MoneroComponents.Style.fontRegular.name
+            font.pixelSize: root.fontSize
+            horizontalAlignment: TextInput.AlignLeft
+            selectByMouse: false
+            textFormat: Text.RichText
+            wrapMode: Text.WordWrap
+            textMargin: 0
+            leftPadding: 0
+            topPadding: 6
+            readOnly: true
+            onLinkActivated: root.linkActivated();
+
+            // @TODO: Legacy. Remove after Qt 5.8.
+            // https://stackoverflow.com/questions/41990013
+            MouseArea {
+                anchors.fill: parent
+                enabled: false
+            }
+        }
+    }
+}