Merge branch 'development' into dtls

* development: (100 commits)
  Update Changelog for the mem-measure branch
  Fix issues introduced when rebasing
  Fix compile error in memory_buffer_alloc_selftest
  Code cosmetics
  Add curve25519 to ecc-heap.sh
  Add curve25519 to the benchmark program
  Fix compile issue when buffer_alloc not available
  New script ecc-heap.sh
  Fix unused variable issue in some configs
  Rm usunused member in private struct
  Add heap usage for PK in benchmark
  Use memory_buffer_alloc() in benchmark if available
  Only define mode_func if mode is enabled (CBC etc)
  PKCS8 encrypted key depend on PKCS5 or PKCS12
  Disable SRV_C for client measurement
  Output stack+heap usage with massif
  Enable NIST_OPTIM by default for config-suite-b
  Refactor memory.sh
  Adapt memory.sh to config-suite-b
  Adapt mini-client for config-suite-b.h
  ...

Conflicts:
	ChangeLog
	include/polarssl/net.h
	library/Makefile
	library/error.c
	library/ssl_tls.c
	programs/Makefile
	programs/ssl/ssl_client2.c
	programs/ssl/ssl_server2.c
	tests/Makefile
diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index a8cb3c6..778b604 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -47,6 +47,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <time.h>
 
 /* For select() */