The lock file is (a temporary file) opened in the parent process, whose
open fd is inherited by the workers after fork, and passed down through
the PlayContext. Connection grows lock/unlock methods which can be used
by individual connection plugins.

Delete all compiled python files when running hacking/env-setup

In v1, a trailing newline was kept if the parameter was passed as key=value.  If
the parameter was passed as yaml dict the trailing newline was
discarded.  Since key-value and yaml dict were unified in v2 we have to
make a choice as to which behaviour we want.  Decided that keeping trailing
newlines by default made the most sense.

Fixes #12200
Fixes #12199

Use rich comparisons for Attribute and FieldAttribute

Fixes #12206

  ansible is passing unicode arond internally so we should test the same
  data.
* Add a zero length test for _count_newlines and fix the zero newlines
  test to have no newlines.

Fix for one half of hte bug reported in #12198

Because __cmp__ is not supported on Python 3.

Remove duplicated function definition (fallout from earlier repeated merge)

dbd755e0 previously assigned the value to self._templar.environment.searchpath,
which is incorrect - it needs to be assigned to the environment.loader.searchpath
value instead.

Fixes #11931

Fixes #12180

* Dedupe combine_vars() code (removed from VariableManager)
* Fix merge_hash algorithm to preserve the type
* unittest combine_vars and merge_hash

Adds utf-8 encoding to f5 module_utils

Show module name and args with -vvv

This information was earlier shown only with ANSIBLE_DEBUG, but it's
extremely useful in a user context, especially with module invocations
with deeply nested args like the ec2_vpc/ec2 modules.

Closes #11680

Fixes #12155

Changelog tweak: Mention --output - for ansible-vault encrypt/decrypt

Fix setting dns_name in cobbler inventory

Fixes #12081

Add Nagios NDO inventory plugin