Port away from deprecated install dir

sounds/ca/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ca )
-install( FILES ca.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ca )
+install( FILES ca.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )
 

sounds/da/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/da )
-install( FILES da.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/da )
+install( FILES da.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/de/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/de )
-install( FILES de.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/de )
+install( FILES de.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/el/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/el )
-install( FILES el.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/el )
+install( FILES el.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/es/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/es )
-install( FILES es.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/es )
+install( FILES es.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/fi/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/fi )
-install( FILES fi.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/fi )
+install( FILES fi.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/fr/CMakeLists.txt

 FILE(GLOB datafiles *.wav )
-install( FILES ${datafiles} DESTINATION  ${DATA_INSTALL_DIR}/ktuberling/sounds/fr )
+install( FILES ${datafiles} DESTINATION  ${KDE_INSTALL_DATADIR}/ktuberling/sounds/fr )
 
-install( FILES fr.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES fr.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/ga/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ga )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ga )
 
-install( FILES ga.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ga.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/gl/CMakeLists.txt

 FILE(GLOB datafiles *.ogg )
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/gl )
-install( FILES gl.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ ) 
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/gl )
+install( FILES gl.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ ) 

sounds/id/CMakeLists.txt

-install( FILES id.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES id.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/id/pics/CMakeLists.txt

 FILE(GLOB datafiles *.theme )
-install( FILES ${datafiles} DESTINATION  ${DATA_INSTALL_DIR}/ktuberling/pics )
+install( FILES ${datafiles} DESTINATION  ${KDE_INSTALL_DATADIR}/ktuberling/pics )

sounds/id/sound/CMakeLists.txt

 FILE(GLOB datafiles *.wav )
-install( FILES ${datafiles} DESTINATION  ${DATA_INSTALL_DIR}/ktuberling/sounds/id )
+install( FILES ${datafiles} DESTINATION  ${KDE_INSTALL_DATADIR}/ktuberling/sounds/id )
  

sounds/it/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/it )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/it )
 
 
-install( FILES it.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES it.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/lt/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/lt )
-install( FILES lt.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/lt )
+install( FILES lt.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )
 

sounds/nds/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/nds )
-install( FILES nds.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/nds )
+install( FILES nds.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/nl/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/nl)
-install( FILES nl.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/nl)
+install( FILES nl.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/nn/CMakeLists.txt

 FILE(GLOB datafiles *.opus)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/nn )
-install( FILES nn.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/nn )
+install( FILES nn.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/pt/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/pt )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/pt )
 
-install( FILES pt.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES pt.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/ro/CMakeLists.txt

 FILE(GLOB datafiles *.wav)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ro)
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ro)
 
 
-install( FILES ro.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ro.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )

sounds/ru/CMakeLists.txt

 FILE(GLOB datafiles *.ogg)
-install( FILES ${datafiles} DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ru )
-install( FILES ru.soundtheme DESTINATION ${DATA_INSTALL_DIR}/ktuberling/sounds/ )
+install( FILES ${datafiles} DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ru )
+install( FILES ru.soundtheme DESTINATION ${KDE_INSTALL_DATADIR}/ktuberling/sounds/ )