moved insertion of extra includes from mock source file generation to mock header file generation

git-svn-id: http://cmock.svn.sourceforge.net/svnroot/cmock/trunk@176 bf332499-1b4d-0410-844d-d2d48d5cc64c

lib/cmock_plugin_manager.rb

@@ -20,7 +20,7 @@ class CMockPluginManager
         end
         @plugins << eval("#{object_name}.new(config, utils)")
       rescue
-        raise "Unable to load plugin '#{plugin_name}'"
+        raise "ERROR: CMock unable to load plugin '#{plugin_name}'"
       end
     end
     @plugins.sort! {|a,b| a.priority <=> b.priority }