Add Amazon SNS notification plugin

Conflicts:
	library/packaging/apt_key

This simply adds --remote to the git submodule update command.
This means that if a branch is defined in .gitmodules then we should track said branch when updating.

Conflicts:
	library/system/lvg

Conflicts:
	library/cloud/ec2_vpc

Rename present to running, add new present state

Allow custom hipchat urls

Accept status code from a list of valid codes.

svr4pkg supports the -G switch for pkgadd

Scrub choices=BOOLEANS from remaining core module references.  Correct form in argument_spec is type='dict'.

New modules: rax_cbs and rax_cbs_attachments

Improvements to ec2 autoscaling modules

Allow state=absent for ec2_vol

Merge branch 'update_docs_validate_cmd_not_passed_via_shell' of git://github.com/rwehner/ansible into devel

Conflicts:
	library/files/template

docker bugfixes: trim whitespace around list param elements, handle list params being coerced to int or long type

Handle missing symlink tempfile 

service module: Properly disable Debian services

Modified library/system/user so that password change date is set on Sola...

- Supports a default message or a special message for any of SNS's
protocols (email, sqs, sms, http, https)
  - http://docs.aws.amazon.com/sns/latest/dg/PublishTopic.html