Allow for home based includes, ie, `~/.include-dir`.
Merge pull request #4157 from UtahDave/develop

0.13.3 Windows Installers
Taking into account default_include configuration when checking for environment setup correctness
Merge pull request #4158 from zsimic/develop

Take into account default_include configuration when calling verify_env()
Fix #4080. These errors are safe and need not be logged
Still log to debug
Fix #4073, the versions, if from git, can be compared without

the git hash component
move network lookup to utils/socket_util
Move network.interfaces logic to utils
Add ip4_addrs to socket_util
Ensure that parent dir for known_hosts file exists

Fixes #4153. Also made pep8 fixes.
Add ip addrs in the grains for non-windows systems
import socket_util
Merge pull request #4159 from terminalmage/issue4153

Ensure that parent dir for known_hosts file exists
Checks if groups is none before extending it
update rpm spec to 0.13.2
Fix bug in logging
Fixing doc error pkg.groupinstall to pkg.group_install
Merge pull request #4161 from herlo/develop

update rpm spec to 0.13.2
Merge pull request #4166 from benhosmer/develop

Fixing doc error pkg.groupinstall to pkg.group_install