Switch to side-by-side view

--- a/src/qtgui/uiprefs.ui
+++ b/src/qtgui/uiprefs.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>527</width>
+    <width>530</width>
     <height>559</height>
    </rect>
   </property>
@@ -21,6 +21,9 @@
     <layout class="QVBoxLayout">
      <item>
       <widget class="QTabWidget" name="tabWidget">
+       <property name="currentIndex">
+        <number>1</number>
+       </property>
        <widget class="QWidget" name="tab">
         <attribute name="title">
          <string>User interface</string>
@@ -300,12 +303,12 @@
            </item>
            <item>
             <widget class="QCheckBox" name="previewPlainPreCB">
+             <property name="toolTip">
+              <string>Lines in PRE text are not folded. Using BR loses indentation.</string>
+             </property>
              <property name="text">
               <string>Use &lt;PRE&gt; tags instead of &lt;BR&gt;to display plain text as html.</string>
              </property>
-               <property name="toolTip">
-                <string>Lines in PRE text are not folded. Using BR loses indentation.</string>
-               </property>
              <property name="checked">
               <bool>false</bool>
              </property>
@@ -349,6 +352,42 @@
               <string>Automatically add phrase to simple searches</string>
              </property>
             </widget>
+           </item>
+           <item>
+            <layout class="QHBoxLayout">
+             <item>
+              <widget class="QLabel" name="textLabel33">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+                 <horstretch>1</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
+               <property name="toolTip">
+                <string>Frequency percentage threshold over which we do not use terms inside autophrase. 
+Frequent terms are a major performance issue with phrases. 
+Skipped terms augment the phrase slack, and reduce the autophrase efficiency.
+The default value is 2 (percent). </string>
+               </property>
+               <property name="text">
+                <string>Autophrase term frequency threshold percentage</string>
+               </property>
+               <property name="wordWrap">
+                <bool>false</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QDoubleSpinBox" name="autoPThreshSB">
+               <property name="singleStep">
+                <double>0.200000000000000</double>
+               </property>
+               <property name="value">
+                <double>2.000000000000000</double>
+               </property>
+              </widget>
+             </item>
+            </layout>
            </item>
            <item>
             <widget class="Line" name="line2">