Declare api node ways as nested resources

app/views/api/nodes/ways/index.json.jbuilder

@@ -0,0 +1,5 @@
+json.partial! "api/root_attributes"
+
+json.elements do
+  json.array! @ways, :partial => "api/ways/way", :as => :way
+end

app/views/api/nodes/ways/index.xml.builder

@@ -0,0 +1,5 @@
+xml.instruct!
+
+xml.osm(OSM::API.new.xml_root_attributes) do |osm|
+  osm << (render(:partial => "api/ways/way", :collection => @ways) || "")
+end

app/views/api/ways/ways_for_node.json.jbuilder

@@ -1,5 +0,0 @@
-json.partial! "api/root_attributes"
-
-json.elements do
-  json.array! @ways, :partial => "way", :as => :way
-end

app/views/api/ways/ways_for_node.xml.builder

@@ -1,5 +0,0 @@
-xml.instruct!
-
-xml.osm(OSM::API.new.xml_root_attributes) do |osm|
-  osm << (render(@ways) || "")
-end