Fix broken syntax in message about effects on units.

Add some missing descriptions.
Bump version number.

res/core/de/strings.xml

@@ -4345,6 +4345,14 @@
     </string>
   </namespace>
   <namespace name="spellinfo">
+    <string name="create_ror">
+      <text locale="de">Erzeugt einen Ring der Regeneration.</text>
+      <text locale="en">Creates a ring of regeneration.</text>
+    </string>
+    <string name="create_focus">
+      <text locale="de">Erzeugt einen Aurafokus.</text>
+      <text locale="en">Creates an aurafocus crystal.</text>
+    </string>
     <string name="acidrain">
       <text locale="de">Tötet die Feinde mit Säure.</text>
       <text locale="en">Kills enemies with acid.</text>

res/core/messages.xml

@@ -889,7 +889,7 @@
       <arg name="left" type="int"/>
     </type>
     <text locale="de">"Auf der Einheit $if($eq($left,1),"liegt","liegen") $int($left) Wirkung$if($eq($left,1),"","en") $resource($potion,1)."</text>
-    <text locale="en">"There are $int($left) use($eq($left,1),"s","") of $resource($potion,1) left."</text>
+    <text locale="en">"There $if($eq($left,1),"is","are") $int($left) $if($eq($left,1),"use","uses") of $resource($potion,1) left."</text>
   </message>
   <message name="nr_region_owner" section="nr">
     <type>

src/buildno.h

@@ -1,3 +1,3 @@
 #define VERSION_MAJOR 3
 #define VERSION_MINOR 4
-#define VERSION_BUILD 1
+#define VERSION_BUILD 2