Updated the install function to use the same install/downgrade/reinstall logic for sources as it was already using for pkgs.
fixed pylint violations
optionally get etcd vals from master, squash stack traces, and fix lint issues
Execute runner functions asynchronously via the Reactor

Closes #13277
added content to cloud provider section for openstack
fixed minor typo in openstack topic
Merge remote-tracking branch 'salt/develop' into develop
Add rpm verify option to pkg.installed state
Merge remote-tracking branch 'upstream/develop' into etcd_mods
removing redundancy
Merge remote-tracking branch 'upstream/develop' into etcd_mods
mistakenly removed default values
salt.output.nested: format dicts better
Add rpm verify option to pkg.installed state
fix #13291
Merge pull request #13278 from whiteinge/salt-async-runner-reactor

Execute runner functions asynchronously via the Reactor
Merge pull request #13292 from crook/develop

fix #13291
Merge branch 'yumpkg.install-downgrade-from-source' of https://github.com/jond64/salt into downgrade
Merge branch 'downgrade' into develop
Fix to_reinstall

Remove parenthesis. This is a variable, not a function call.