Add Japanese translations of qet_directory

elements/60_energy/11_water/qet_directory

@@ -9,5 +9,6 @@
         <name lang="it">Acqua</name>
         <name lang="cs">Voda</name>
         <name lang="da">VVS teknik</name>
+        <name lang="ja">水</name>
     </names>
 </qet-directory>

elements/60_energy/21_refrigeration/qet_directory

@@ -11,5 +11,6 @@
         <name lang="el">Ψύξη</name>
         <name lang="nl">Koelers</name>
         <name lang="da">Køle teknik</name>
+        <name lang="ja">冷凍機</name>
     </names>
 </qet-directory>

elements/60_energy/31_solar_thermal/qet_directory

@@ -11,5 +11,6 @@
         <name lang="el">Ηλιακή θέρμανση</name>
         <name lang="nl">Zon thermisch</name>
         <name lang="da">Sol og varme teknik</name>
+        <name lang="ja">太陽熱</name>
     </names>
 </qet-directory>

elements/60_energy/41__manufacturers_articles/qet_directory

@@ -9,5 +9,6 @@
         <name lang="es">Articulos de fabricantes</name>
         <name lang="fr">Articles constructeurs</name>
         <name lang="da">Producent produkter</name>
+        <name lang="ja">製品</name>
     </names>
 </qet-directory>

elements/60_energy/qet_directory

@@ -12,5 +12,6 @@
         <name lang="nl">Energie</name>
         <name lang="ru">Сантехника</name>
         <name lang="da">Energi teknik</name>
+        <name lang="ja">エネルギー</name>
     </names>
 </qet-directory>