Made the shell shim compatible with AIX.
Add zmqversion grain

Like saltversion, this grain can help show the effective version of a
particular component (in this case ZMQ) that is in use on the running
minion, and help aid in troubleshooting.
Check for None
Only allow certain linux systems to run keyboard module functions
Docstring changes
pep8 fixes
Merge pull request #11014 from makinacorpus/pep8

pep8 fixes
Merge pull request #11013 from rallytime/keyboard_fix

Only allow certain linux systems to run keyboard module
salt.modules.seed: Don't die due to bad symlinks
Add CLI examples to dockerio and lxc.
Merge pull request #11016 from cachedout/doc_string_fixes

Add CLI examples to dockerio and lxc.
Fix --list all option
Fix highstate output

Refs #10945
Merge pull request #11018 from cachedout/10982

Fix --list all option
Merge pull request #11004 from chevah/salt-ssh-aix-support

Made the salt-ssh shell shim compatible with AIX.
Merge pull request #11010 from terminalmage/zmq-grain

Add zmqversion grain
Merge pull request #11011 from cachedout/10971_fix

Check for None
Merge pull request #11019 from cachedout/10945

Fix highstate output
Merge pull request #11015 from mgwilliams/seed

salt.modules.seed: Don't die due to bad symlinks
Start breaking out the bootstrap code into a unified function