Adding S3 backed pillar.
Initial commit of boto_elb module and state.

This commit adds execution module and state module support for AWS ELBs. The
state module provides support for ensuring ELBs are absent or present. If present
the state will ensure health checks, listeners, availability zones, attributes,
and other ELB properties. The execution module adds support for all the necessary
actions in the state.
Add OpenBSD support for network.netstat
Added an example to the FAQ for how to restart Salt with Salt

Closes #12243
Exposes the PyYaml dumper flow-style parameter. Helpful when filtered data needs to be human-readable.
Typo in comment.
copyedit ref docs
Merge pull request #12435 from hulu/doc-ref-copyedit

copyedit ref docs
Merge pull request #12436 from UtahDave/develop

some pylint fixes.  remove extra whitespace and add space after comma
BUG: Outputter "nested" swallows lines ending with \r\n
Use proper variable name
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting
Replace string substitution with string formatting