Envirionment variable support in GCE inventory plugin.
Fixes issue #8339 where Scientific Linux incorrectly tries to use FedoraStrategy of hostnamectl
Fix a typo in gem module documentation
Atomically move known hosts file into place when edited by paramiko connections

Fixes #8169
Merge pull request #8409 from Jmainguy/hostname_8339

Fixes issue #8339 where Scientific Linux incorrectly tries to use Fedora...
Merge pull request #8415 from ebargtuo/patch-1

Fix a typo in gem module documentation
Merge pull request #8402 from lukesneeringer/gce-inventory-envvars

Envirionment variable support in GCE inventory plugin.
Default interface type to ipv4 when checking flags for Solaris

Fixes #8330
Updated docs for health_check_type parameter.
Make run_command process communication smarter

The run_command module function will now poll stdout/stderr for
data rather than using the builtin command communicate(), which can
hang under certain circumstances.

Fixes #7452
Fixes #7748
Fixes #8163
Merge pull request #8440 from jsmartin/asg_docfix

Updated docs for health_check_type parameter.
Removed max 8192 bytes, fixes #8424
Merge pull request #8442 from Jmainguy/rpm_key_8424

Removed max 8192 bytes, fixes #8424