use .osrm.edges file in Rake task and cucumber tests

features/step_definitions/processing.rb

@@ -58,6 +58,7 @@ Given /^the preprocessed files for "([^"]*)" are present and up to date$/ do |ar
   File.exists?("#{area}.osrm.restrictions").should == true
   File.exists?("#{area}.osrm.hsgr").should == true
   File.exists?("#{area}.osrm.nodes").should == true
+  File.exists?("#{area}.osrm.edges").should == true
   File.exists?("#{area}.osrm.ramIndex").should == true
   File.exists?("#{area}.osrm.fileIndex").should == true
 end

features/support/config.rb

@@ -32,6 +32,7 @@ Port = 5000
 
 hsgrData=#{@osm_file}.osrm.hsgr
 nodesData=#{@osm_file}.osrm.nodes
+edgesData=#{@osm_file}.osrm.edges
 ramIndex=#{@osm_file}.osrm.ramIndex
 fileIndex=#{@osm_file}.osrm.fileIndex
 namesData=#{@osm_file}.osrm.names