refs #368, renamed Mapping to Rendering (as discussed in meeting)

src/blackgui/components/maininfoareacomponent.ui

@@ -444,7 +444,7 @@
     <set>Qt::TopDockWidgetArea</set>
    </property>
    <property name="windowTitle">
-    <string>Mappings</string>
+    <string>Rendering</string>
    </property>
    <attribute name="dockWidgetArea">
     <number>4</number>

src/blackgui/components/mainkeypadareacomponent.ui

@@ -377,7 +377,7 @@
          </size>
         </property>
         <property name="text">
-         <string>Mappings</string>
+         <string>Rendering</string>
         </property>
         <property name="checkable">
          <bool>true</bool>

src/blackgui/components/mappingcomponent.ui

@@ -45,11 +45,11 @@
    <item row="0" column="0" colspan="5">
     <widget class="QTabWidget" name="tw_ListViews">
      <property name="currentIndex">
-      <number>1</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="tb_CurrentMappings">
       <attribute name="title">
-       <string>Current mappings</string>
+       <string>Rendered aircraft</string>
       </attribute>
       <layout class="QVBoxLayout" name="vl_CurrentMappings">
        <property name="leftMargin">