* commit '1afbac17': (679 commits)
  Fix examples that failed to compile without PEM
  Add clarification to the TLS renegotiation period
  Add credit to Changelog for #562
  Add credit to Changelog for #562
  Clarify fix for #673 in Changelog
  Add DTLS test to check 6 byte record ctr is cmp
  Fix renegotiation at incorrect times in DTLS
  Fixed typo in ssl.h
  Fix all.sh test builds with recent glibc and clang
  Clarify use of armcc in all.sh
  Add -march argument to armc6 build tests
  Modify output_env.sh to make it extensible
  Add ARM Compiler 6 build tests to all.sh
  Clarify CMAC API
  Update library version number to 2.4.1
  Update CMAC test vectors.
  Update library version number to 2.4.1
  Update CMAC test vectors.
  Fix unused variable/function compilation warnings
  Fix redefinition of macro ssl_set_bio
  ...

# Conflicts:
#	library/ssl_srv.c