STORM-1103 sets a minimum size for map in nearby people and makes the map resizable

indra/newview/skins/default/xui/en/panel_people.xml

@@ -110,8 +110,9 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
            <layout_panel
              height="142"
              layout="topleft"
+             min_dim="100"
              mouse_opaque="false"
-             user_resize="false"
+             user_resize="true"
              visibility_control="NearbyListShowMap"
              width="313">
              <net_map
@@ -128,9 +129,9 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
            <layout_panel
              height="213"
              layout="topleft"
-             min_height="100"
+             min_dim="100"
              mouse_opaque="false"
-             user_resize="false"
+             user_resize="true"
              width="313">
              <avatar_list
                allow_select="true"