Honor bind_to for manager net_if family inet

Bug reported by Pavel Baturko to erlang-bugs.
Try to increase test case timeouts
Introduce os:getenv/2

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
ssh: crypto framework for ssh_sftp:open_tar added
ssh: Implements and tests erl_tar read from remote host.
Merge branch 'hans/ssh/tar_read_and_crypto/OTP-12312' into maint

* hans/ssh/tar_read_and_crypto/OTP-12312:
  ssh: Implements and tests erl_tar read from remote host.
  ssh: crypto framework for ssh_sftp:open_tar added
Merge branch 'maint'
Merge branch 'raimo/snmp/dev' into maint

* raimo/snmp/dev:
  Try to increase test case timeouts
  Honor bind_to for manager net_if family inet
Merge branch 'maint'
Merge branch 'lemenkov/os_getenv_2/OTP-12342'

* lemenkov/os_getenv_2/OTP-12342:
  Introduce os:getenv/2