generalized cleanup and removed atomic_move return

remove playbook examples from main repo.  Fear not, these are now in the ansible/ansible-examples repo :)

removed return code as it doesn't make sense anymore
Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

BUGFIX - --start-at-task= works only with --step

Patch so that delegate_to also uses ansible_ssh_private_key_file

postgresql_privs: fix wrong codec specification

Conflicts:
	docsite/latest/rst/playbooks2.rst
	docsite/latest/searchindex.js

amended s3 plugin to support 'dest' parameter

Document: sudo works per-task too

Add notification/hipchat module.

EC2 ELB management