message: find previous button should be left of the find next button
diff: </widget>
  </item>
  <item>
  - <widget class="QToolButton" name="findNext">
  + <widget class="QToolButton" name="findPrev">
  <property name="text">
  <string/>
  </property>
  <property name="icon">
  <iconset resource="../Resources/resources.qrc">
  - <normaloff>:/arrow_right.png</normaloff>:/arrow_right.png</iconset>
  + <normaloff>:/arrow_left.png</normaloff>:/arrow_left.png
  + </iconset>
  </property>
  <property name="autoRaise">
  <bool>true</bool>
  </widget>
  </item>
  <item>
  - <widget class="QToolButton" name="findPrev">
  + <widget class="QToolButton" name="findNext">
  <property name="text">
  <string/>
  </property>
  <property name="icon">
  <iconset resource="../Resources/resources.qrc">
  - <normaloff>:/arrow_left.png</normaloff>:/arrow_left.png</iconset>
  + <normaloff>:/arrow_right.png</normaloff>:/arrow_right.png</iconset>
  </property>
  <property name="autoRaise">
  <bool>true</bool>
  