files/file: add support for symbolic permission modes
add async fire-forget/check functionality
Update docs to include directories inside group_vars
Added note on which version did dirs in group_vars start working
Adding support for A10 Networks slb server, slb service-group, slb virtual-server
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.
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
PEP8 Compliant except needed long lines and better exception handling
Fix the docs for glance_image.endpoint_type

The endpoint_type option was added in version 1.7,
so the docs need to state this.  Also the the description
is too brief.
Fix RDS AWS connection

Use the common AWS connection improvements so that security_token,
boto_profile etc. are taken into account
Extend wait_for module to support draining of active tcp connections
Allow roles to be installed from archives on github

Ensure that the automated scm determination for github.com
repos still copes with .tar.gz archive files.

Handling .zip archives is left as an exercise for the interested reader
Corrected a simple syntax error in galaxy
Fixed typos