Raise exception if "file_name" isn't passed to bin/ansible-vault

added missing force flag on mkfs commandline

Ansible inventory file location fixed

fix incorrect secondary ip handling, fixes #7724

Update user mailing list link in faq.rst

(serial_pct)/100.0 is a typo - the parentheses should be around the entire percentage calculation, which makes much more sense when multiplying by the number of hosts (luckily BODMAS prevailed).

playbook: permit the serial attribute to be a pecentage string as well as well as a straight integer

Modified "Version_added"

Pagerduty improvements

Conflicts:
	docsite/rst/guide_rax.rst
	plugins/callbacks/mail.py

Merge branch 'fixes/docker-volumes' of https://github.com/devpopol/ansible into devpopol-fixes/docker-volumes

Fixes #8512

Adds support for public_ip boolean for launch configurations.

ec2_asg: Implements the proper method for terminating an auto scale group.

win_setup improvements: Correcly outputs ansible_totalmem

ec2_vol: adds ability to list existing volumes

ec2: set type and default for ebs_optimized flag

apache2_module module fixes

rax: Move additional shared code into module utils

Error if private_key_file is group/world readable

Conflicts:
	lib/ansible/inventory/vars_plugins/group_vars.py
	plugins/callbacks/mail.py

ec2_ami_search: support for SSD and IOPS provisioned EBS images

made split 'smarter' but still overridable