files/file: add support for symbolic permission modes
Update docs to include directories inside group_vars
Added note on which version did dirs in group_vars start working
ELB enhancements

* connection draining
* cross AZ load balancing
Adds support for `kern_id` param in ec2_ls module.
Adds RAM disk id support for ec2_lc module.
Adds support for IAM instance profile in ec2_lc module
Adds support for EBS optimized instances in ecl_lc module.
Adds the possibility to attach a public IP address to instances launched into an autoscaling group within a VPC to ec2_lc module.
Adds support for instance monitoring in ec2_lc module.
Make `pip install -e` work

This allows `pip install -e` and `python setup.py develop` to work
without having to do the stuff in
http://docs.ansible.com/intro_installation.html#running-from-source so
it's a tad nicer for Python programmers who are accustomed to installing
packages as editable/in development mode.

Fixes GH-8355 (https://github.com/ansible/ansible/issues/8355)
Issue with printing unicode non-english characters #8425 patch
Unarchive should work when parent directory is not writable

Correct unarchive so that the checks for writeability are
sensible.

Added a test for when parent directory is not writable
If ansible and ansible-playbook accept a script for --vault-password-file so should ansible-vault
Make sure playbook_dir variable is an absolute path

Fixes #8317
Update docs for copy directory_mode param per #8572
By popular request, make the no_log attribute also censor tasks from callbacks.
Merge pull request #8560 from sivel/ansible-vault-use-script

ansible-vault should support script for --vault-password-file too
Fix issue #8578. Setting envvar in ""'s ensures the PYTHONPATH is set to
include the lib/ directory.

Before - PYTHONPATH is empty.. ansible fails to run

    $ source hacking/env-setup.fish
    Appending PYTHONPATH

    Setting up Ansible to run out of checkout...

    PATH=/Volumes/opt/src/ansible/bin /usr/local/share/python3 /usr/local/bin
    /usr/bin /bin /usr/sbin /sbin /usr/local/bin /opt/X11/bin /usr/bin /sbin
    /usr/local/bin /Users/ms/bin/
    PYTHONPATH=
    ANSIBLE_LIBRARY=/Volumes/opt/src/ansible/library
    ...

    Traceback (most recent call last):
      File "/Volumes/opt/src/ansible/bin/ansible", line 25, in <module>
          from ansible.runner import Runner
          ImportError: No module named ansible.runner

After change - it's set.. ansible runs.

    source hacking/env-setup.fish
    Appending PYTHONPATH

    Setting up Ansible to run out of checkout...

    PATH=/Volumes/opt/src/ansible/bin /usr/local/share/python3 /usr/local/bin
    /usr/bin /bin /usr/sbin /sbin /usr/local/bin /opt/X11/bin /usr/bin /sbin
    /usr/local/bin /Users/ms/bin/
    PYTHONPATH=/Volumes/opt/src/ansible/lib:
    ANSIBLE_LIBRARY=/Volumes/opt/src/ansible/library
    ....

    $ ansible
    Usage: ansible <host-pattern> [options]
Merge pull request #8579 from hahla/devel

Fix issue #8578. Setting envvar in ""'s ensures the PYTHONPATH is set to