* fix a (forgotten?) change in moving createhome -> create_home
Fix for following bug on FreeBSD host whith user module:
```
fatal: [webssp]: FAILED! => {"changed": false, "module_stderr": "X11 forwarding request failed
Traceback (most recent call last):
File \"/tmp/ansible_2rmlBl/ansible_module_user.py\", line 2487, in <module>
main()\n File \"/tmp/ansible_2rmlBl/ansible_module_user.py\", line 2426, in main
(rc, out, err) = user.modify_user()
File \"/tmp/ansible_2rmlBl/ansible_module_user.py\", line 1011, in modify_user
if (info[5] != self.home and self.move_home) or (not os.path.exists(self.home) and self.createhome):
AttributeError: 'FreeBsdUser' object has no attribute 'createhome'
", "module_stdout": "", "msg": "MODULE FAILURE", "rc": 1}
```
It happenned with 'createhome' AND with 'create_home' form, with python 2.7 AND python 3.6
* Add changelog
Co-authored-by: dgeo <dgeo@users.noreply.github.com>
