Make phase technology researchable in all captured civic center. Reviewed by elexis. Fix #4572.

This was SVN commit r19569.

binaries/data/mods/public/simulation/templates/structures/athen_civil_centre.xml

@@ -14,12 +14,6 @@
       units/{civ}_infantry_slinger_b
       units/{civ}_cavalry_javelinist_b
     </Entities>
-    <Technologies datatype="tokens">
-      -phase_town
-      phase_town_athen
-      -phase_city
-      phase_city_athen
-    </Technologies>
   </ProductionQueue>
   <VisualActor>
     <Actor>structures/athenians/civil_centre.xml</Actor>

binaries/data/mods/public/simulation/templates/template_structure_civic_civil_centre.xml

@@ -93,7 +93,9 @@
     </Entities>
     <Technologies datatype="tokens">
       phase_town
+      phase_town_athen
       phase_city
+      phase_city_athen
       unlock_spies
       spy_counter
     </Technologies>

binaries/data/mods/public/simulation/templates/template_structure_civic_civil_centre_military_colony.xml

@@ -42,7 +42,9 @@
   <ProductionQueue>
     <Technologies datatype="tokens">
       -phase_town
+      -phase_town_athen
       -phase_city
+      -phase_city_athen
     </Technologies>
   </ProductionQueue>
   <Sound>