moved typedefs to beginning of files to solve some include problems

splitted authenticator to have a separate implementation for each auth_method_t
using va_copy to clone va_lists, should fix proplems on AMD64
some other cleanups

src/charon/queues/jobs/incoming_packet_job.h

@@ -24,22 +24,21 @@
 #ifndef INCOMING_PACKET_JOB_H_
 #define INCOMING_PACKET_JOB_H_
 
+typedef struct incoming_packet_job_t incoming_packet_job_t;
+
 #include <types.h>
 #include <network/packet.h>
 #include <queues/jobs/job.h>
 
-
-typedef struct incoming_packet_job_t incoming_packet_job_t;
-
 /**
  * @brief Class representing an INCOMING_PACKET Job.
- * 
+ *
  * An incoming pack job is created from the receiver, which has
  * read a packet to process from the socket.
- * 
+ *
  * @b Constructors:
  * - incoming_packet_job_create()
- * 
+ *
  * @ingroup jobs
  */
 struct incoming_packet_job_t {