Change tree obstruction sizes following [17161] as it looks better and will help units navigate through forests.

This was SVN commit r17179.

binaries/data/mods/public/simulation/templates/gaia/flora_tree_baobab.xml

@@ -8,9 +8,12 @@
     <SpecificName>Baobab</SpecificName>
     <History>The baobab is the giant African tree that dots the landscape of the African savanna.</History>
   </Identity>
+  <Obstruction>
+    <Static width="3.0" depth="3.0"/>
+  </Obstruction>
   <ResourceSupply>
     <Amount>400</Amount>
-	<MaxGatherers>9</MaxGatherers>
+  	<MaxGatherers>9</MaxGatherers>
   </ResourceSupply>
   <Selectable>
     <Overlay>

binaries/data/mods/public/simulation/templates/gaia/flora_tree_cretan_date_palm_patch.xml

@@ -9,7 +9,7 @@
     <History>The Cretan Date Palm is an palm tree generally found on the island of Crete, but in ancient times its range spanned the entire Aegean Sea. The Peloponnese had Cretan Date Palm forests along its shores.</History>
   </Identity>
   <Obstruction>
-    <Static width="5.5" depth="5.5"/>
+    <Static width="4.0" depth="4.0"/>
   </Obstruction>
   <ResourceSupply>
     <Amount>300</Amount>

binaries/data/mods/public/simulation/templates/gaia/flora_tree_fig.xml

@@ -10,6 +10,9 @@
     <Tooltip>Gather figs for Food.</Tooltip>
     <Icon>gaia/flora_bush_berry.png</Icon>
   </Identity>
+  <Obstruction>
+    <Static width="4.0" depth="4.0"/>
+  </Obstruction>
   <ResourceSupply>
     <Amount>500</Amount>
     <Type>food.fruit</Type>

binaries/data/mods/public/simulation/templates/gaia/flora_tree_oak_large.xml

@@ -4,6 +4,9 @@
     <SpecificName>Large Oak Tree</SpecificName>
     <History>A deciduous tree of the genus Quercus; has acorns and lobed leaves. This one has grown large due to copious amounts of sun, water, and soil nutrients.</History>
   </Identity>
+  <Obstruction>
+    <Static width="2.0" depth="2.0"/>
+  </Obstruction>
   <ResourceSupply>
     <Amount>300</Amount>
     <Type>wood.tree</Type>

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

@@ -10,11 +10,14 @@
     <Type>wood</Type>
     <Color r="69" g="107" b="68"/>
   </Minimap>
+  <Obstruction>
+    <Static width="1.6" depth="1.6"/>
+  </Obstruction>
   <ResourceSupply>
     <KillBeforeGather>false</KillBeforeGather>
     <Amount>200</Amount>
     <Type>wood.tree</Type>
-	<MaxGatherers>8</MaxGatherers>
+	 <MaxGatherers>8</MaxGatherers>
   </ResourceSupply>
   <Selectable>
     <EditorOnly disable=""/>