files/file: add support for symbolic permission modes
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.
Extend wait_for module to support draining of active tcp connections
Proposed fix for issue #7757
Increase number of contributors in README
Add additional checks to detect upstart services

Also adds checks for the upstart version, in order to test check
support for manual vs. start on manual
Merge branch 'issue_7757_upstart_centos' into devel
Merge pull request #8748 from gregdek/devel

Increase number of contributors in README
Add support for volume encryption to ec2_vol

Fixes #7775
Merge branch 'file_symbolic_mode' of https://github.com/pbitty/ansible into pbitty-file_symbolic_mode
Adding integration tests for symbolic modes
Merge branch 'pbitty-file_symbolic_mode' into devel
Updating CHANGELOG for new symbolic mode feature and updating file docs
The correct option is password_file. Fixes #8752