Coturn 4.5.1.2

• merge regression fix:
  • Do not display empty CLI passwd alert if CLI is not enabled
• merge PR #359:
  • Remove turn_free_simple()
  • Remove turn_malloc()
  • Remove turn_realloc()
  • Remove turn_free()
  • Remove turn_calloc()
  • Remove turn_strdup()
  • Remove SSL_NEW() and SSL_FREE()
  • Remove pointer debugging machinery
  • Remove ns_bzero(), ns_bcopy(), and ns_bcmp()
  • Remove [su]{08,16,32,64}bits type defines
• merge PR #327
  • Strip white-spaces from config file lines end
• merge PR #386
  • fix the webadmin ip permission add/delete sql injection
• merge PR #390
  • fix mongo driver crash when invalid connection string is used
• merge PR #392 enhanced fread return length check
• merge PR #367 disconnect database gracefully
• merge PR #382
  • Using SSL_get_version method for BoringSSL compatibility
  • Now we put in turn_session_info->tls_method the real TLS version. Earlier we put UNKNOWN in this field if it was a TLS protocol that was not defined supportel TLS protocol during compile time.
• merge PR #276 Add systemd service example
• merge PR #284 Add bandwidth usage reporting packet/bandwidth usage by peers
• merge PR #381 Modifying configure to enable compile with private libraries
• merge PR #455 Typo corrected
• merge PR #417 Append only to log files rather to override them
• merge PR #442 Updated incorrect string length check for 'ssh'
• merge PR #449 Fix Dockerfile for latest Debian
• http server NULL dereference
  • Reported (by quarkslab.com, cisco/talos)
  • CVE-2020-6061 / TALOS-2020-0984
• http server out of bound read
  • Reported (by quarkslab.com, cisco/talos)
  • CVE-2020-6061 / TALOS-2020-0984
• merge PR #472 STUN input validation
• merge PR #398 FIPS
• merge PR #478 prod
• merge PR #463 fix typos and grammar
• update travis config ubuntu/mac images
• merge PR #466 added null check for second char
• merge PR #470 compiler warning fixes
• merge PR #475 Update README.docker
• merge PR #471 Fix a memory leak when an SHATYPE isn't supported
• merge PR #488 Fix typos about INSTALL filenames
• fix compiler warning comparison between signed and unsigned integer expressions
• fix compiler warning string truncation
• change Diffie Hellman default key length from 1066 to 2066
• merge PR #522 drop of supplementary group IDs
• merge PR #514 Unify spelling of Coturn
• merge PR#506 Rename "prod" config option to "no-software-attribute"
• merge PR #519 fix config extension in README.docker
• merge PR #516 change sql data dir in docker-compose-all.yml
• merge PR #513 remove trailing spaces from READMEs
• merge PR #525 add flags to disable periodic use of dynamic tables