Merge remote-tracking branch 'upstream/2014.7' into 2014.7_sam4
Merge pull request #15881 from thatch45/master_id

Give the master a unique id
Update service.reload docs
Remoted wingdbstub comment
Merge pull request #15889 from SmithSamuelM/2014.7_sam4

Explicitly set raet role  Added opts for raet_main and raet_mutable
Merge pull request #15888 from rallytime/service_mod_docs

Update service.reload docs
Merge pull request #15885 from askholme/develop

fix outdated documentation in dockerio
Remove incorrect documentation in aptpkg.purge

Fixes #15529
Clarify region settings in ec2 config docs
Merge pull request #15893 from rallytime/ec2_config_docs

Clarify region settings in ec2 config docs
Merge pull request #15883 from thatch45/dunder_kwargs

revert #15550
Merge pull request #15882 from thatch45/if_fix_ssh

restore missing dict check
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error
Fix sphinx build error