Outposts have vision without garrisoning again.

Reverts D2986 / f9f7b4d49f.

Outposts have 90 base vision, increasing to 120 with the 'Carrier
pigeon' technology.
Outposts no longer decay in neutral territory, thus not needing
garrisoning. To compensate, they decay 10x faster in enemy territory.

Differential Revision: https://code.wildfiregames.com/D3898
This was SVN commit r25463.

binaries/data/mods/public/simulation/data/technologies/outpost_vision.json

@@ -0,0 +1,14 @@
+{
+	"genericName": "Carrier Pigeons",
+	"description": "Increases outpost vision.",
+	"cost": { "food": 300 },
+	"requirements": { "tech": "phase_village" },
+	"icon": "pigeon.png",
+	"researchTime": 40,
+	"tooltip": "Outposts +33% vision range.",
+	"modifications": [
+		{ "value": "Vision/Range", "multiply": 1.333333 }
+	],
+	"affects": ["Outpost"],
+	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
+}

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

@@ -27,7 +27,7 @@
   <Identity>
     <GenericName>Outpost</GenericName>
     <SelectionGroupName>template_structure_defensive_outpost</SelectionGroupName>
-    <Tooltip>Build in own or neutral territory. No vision range unless garrisoned. Slowly converts to Gaia while in neutral territory.</Tooltip>
+    <Tooltip>Build in own or neutral territory.</Tooltip>
     <VisibleClasses datatype="tokens">Outpost</VisibleClasses>
     <Icon>structures/outpost.png</Icon>
   </Identity>
@@ -37,7 +37,11 @@
   <Obstruction>
     <Static width="6.0" depth="6.0"/>
   </Obstruction>
-  <ProductionQueue disable=""/>
+  <ProductionQueue>
+    <Technologies datatype="tokens">
+      outpost_vision
+    </Technologies>
+  </ProductionQueue>
   <Resistance>
     <Entity>
       <Damage>
@@ -57,7 +61,8 @@
     <HeightOffset>14.0</HeightOffset>
   </StatusBars>
   <TerritoryDecay>
-    <DecayRate>1</DecayRate>
+    <DecayRate>10</DecayRate>
+    <Territory>enemy</Territory>
   </TerritoryDecay>
   <TurretHolder>
     <TurretPoints>
@@ -69,7 +74,7 @@
     </TurretPoints>
   </TurretHolder>
   <Vision>
-    <Range>10</Range>
+    <Range>90</Range>
   </Vision>
   <VisualActor>
     <FoundationActor>structures/fndn_2x2.xml</FoundationActor>