reordering added activities

activities/childrensbook/activity.en.xml

@@ -13,7 +13,7 @@ a charming story that adults can also enjoy.
     </description>
     <link href="/activities/childrensbook/" />
     <image url="/graphics/logos/childrensbook.png" />
-    <order priority="5" highlight="yes" />
+    <order priority="4" highlight="yes" />
     <tags>
         <tag key="awareness"/>
     </tags>

activities/upcyclingandroid/activity.en.xml

@@ -12,7 +12,7 @@ people flashing their phones with Free Software operating systems.
     </description>
     <link href="/activities/upcyclingandroid/upcyclingandroid.html" />
     <image url="/graphics/logos/ua.png" />
-    <order priority="5" highlight="yes" />
+    <order priority="4" highlight="yes" />
     <tags>
         <tag key="awareness"/>
     </tags>

activities/yh4f/activity.en.xml

@@ -10,7 +10,7 @@ A coding competition for teenagers, Youth Hacking 4 Freedom aims to inspire the
     </description>
     <link href="/activities/yh4f/" />
     <image url="/graphics/logos/yh4f.png" />
-    <order priority="5" highlight="yes" />
+    <order priority="4" highlight="yes" />
     <tags>
         <tag key="awareness" />
     </tags>