Merge commit 'b2eaac1' into dtls

* commit 'b2eaac1':
  Stop assuming chars are signed
  Add tests for CBC record splitting
  Fix tests that were failing with record splitting
  Allow disabling record splitting at runtime
  Add 1/n-1 record splitting
  Enhance doc on ssl_write()

Conflicts:
	include/polarssl/ssl.h
	programs/ssl/ssl_client2.c
	programs/ssl/ssl_server2.c

ChangeLog

@@ -38,6 +38,7 @@ Features
    * Add compile-time option POLARSSL_X509_MAX_INTERMEDIATE_CA to limit the
      length of an X.509 verification chain.
    * Support for renegotiation can now be disabled at compile-time
+   * Support for 1/n-1 record splitting, a countermeasure against BEAST.
 
 Bugfix
    * Stack buffer overflow if ctr_drbg_update() is called with too large