Replace Q_SIGNALS and Q_SLOTS

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 7762265fa0)

src/projects/base_k3baudiocdtextwidget.ui

@@ -207,13 +207,13 @@
     <tabstop>m_editTitle</tabstop>
     <tabstop>m_editPerformer</tabstop>
 </tabstops>
-<Q_SLOTS>
+<slots>
     <slot access="protected" specifier="pure virtual">slotCopyTitle()</slot>
     <slot access="protected" specifier="pure virtual">slotCopyPerformer()</slot>
     <slot access="protected" specifier="pure virtual">slotCopyArranger()</slot>
     <slot access="protected" specifier="pure virtual">slotCopyComposer()</slot>
     <slot access="protected" specifier="pure virtual">slotCopySongwriter()</slot>
-</Q_SLOTS>
+</slots>
 <layoutdefaults spacing="6" margin="11"/>
 <includes>
     <include location="global" impldecl="in implementation">klineedit.h</include>

src/projects/base_k3baudiotrackwidget.ui

@@ -204,7 +204,7 @@
                             <string>Preemph&amp;asis</string>
                         </property>
                         <property name="whatsThis" stdset="0">
-                            <string>&lt;p&gt;Preemphasis is mainly used in audio processing. Higher frequencies in audio Q_SIGNALS usually have lower amplitudes. This can lead to bad signal quality on noisy transmission because the high frequencies might become too weak. To avoid this effect, high frequencies are amplified before transmission (preemphasis); the receiver will then weaken them accordingly for playback.</string>
+                            <string>&lt;p&gt;Preemphasis is mainly used in audio processing. Higher frequencies in audio signals usually have lower amplitudes. This can lead to bad signal quality on noisy transmission because the high frequencies might become too weak. To avoid this effect, high frequencies are amplified before transmission (preemphasis); the receiver will then weaken them accordingly for playback.</string>
                         </property>
                     </widget>
                     <widget class="TQCheckBox">

src/projects/base_k3bbootimageview.ui

@@ -384,9 +384,9 @@
         <slot>slotOptionsChanged()</slot>
     </connection>
 </connections>
-<Q_SLOTS>
+<slots>
     <slot access="protected">slotOptionsChanged()</slot>
-</Q_SLOTS>
+</slots>
 <layoutdefaults spacing="6" margin="11"/>
 <includes>
     <include location="global" impldecl="in implementation">tdelistview.h</include>