- updated example and main tests to show how to use generate_test_runner with yaml target file

- improved error reporting for generate_test_runner

git-svn-id: http://unity.svn.sourceforge.net/svnroot/unity/trunk@96 e7d17a6e-8845-0410-bbbc-c8efb4fdad7e

examples/rakefile_helper.rb

@@ -9,7 +9,7 @@ module RakefileHelpers
   C_EXTENSION = '.c'
   
   def load_configuration(config_file)
-    $cfg_file = config_file
+    $cfg_file = "../targets/#{config_file}"
     $cfg = YAML.load(File.read($cfg_file))
   end
   
@@ -191,7 +191,7 @@ module RakefileHelpers
       runner_name = test_base + '_Runner.c'
       if $cfg['compiler']['runner_path'].nil?
         runner_path = $cfg['compiler']['build_path'] + runner_name
-        test_gen = UnityTestRunnerGenerator.new
+        test_gen = UnityTestRunnerGenerator.new($cfg_file)
         test_gen.run(test, runner_path)
       else
         runner_path = $cfg['compiler']['runner_path'] + runner_name