Double quote exclude/include args

This makes the examples work on Windows, Linux, and Mac.
Allow a value of all or -1 to be passed to the --protocol option for authorize/revoke commands.  Fixes #460.
Update changelog with s3 command bug fix
Merge branch 's3-docs' into develop

* s3-docs:
  Double quote exclude/include args
Merge branch 'fix-460' of git://github.com/garnaat/aws-cli into garnaat-fix-460
Merge remote-tracking branch 'upstream/develop' into develop
New autoscaling example from doc team.