tooltip added to choose from direct or buffered xic extraction

src/gui/edit/edit_settings/edit_settings.ui

@@ -30,6 +30,9 @@
       <layout class="QHBoxLayout" name="horizontalLayout">
        <item>
         <widget class="QRadioButton" name="xic_reader_pwiz_button">
+         <property name="toolTip">
+          <string>&lt;p&gt;XIC directly extracted from the original data file&lt;/p&gt;&lt;ul&gt;&lt;li&gt;pros : no extra disk space needed&lt;/li&gt;&lt;li&gt;cons : slower, not optimized&lt;/li&gt;&lt;/ul&gt;</string>
+         </property>
          <property name="text">
           <string>di&amp;rect</string>
          </property>
@@ -40,6 +43,9 @@
        </item>
        <item>
         <widget class="QRadioButton" name="xic_reader_buffered_button">
+         <property name="toolTip">
+          <string>&lt;p&gt;XIC extracted from optimized buffered data on disk&lt;/p&gt;&lt;ul&gt;&lt;li&gt;pros : very fast for each XIC extraction&lt;/li&gt;&lt;li&gt;cons : extra disk space needed, a bit slow for first XIC extraction&lt;/li&gt;&lt;/ul&gt;</string>
+         </property>
          <property name="text">
           <string>&amp;buffered</string>
          </property>
@@ -64,9 +70,7 @@
    </item>
   </layout>
  </widget>
- <resources>
-  <include location="../../xtpcpp.qrc"/>
- </resources>
+ <resources/>
  <connections>
   <connection>
    <sender>buttonBox</sender>