Fixed some issues with links inside of the best practice docs.
Fixed some line lenghts for the best practices.
changing the send_msg function to adhere to the salt coding style.
started raet header
changed udp buffer
started fixing raet header format
Turn the etcd returner into an external job cache
Place group_names in set() before include_default, only trace log final group list
change in InstallLib assumes build/lib/salt and looks for a file based on that assumption.  on certain platforms this fails and causes the setup.py to fail.
Merge remote branch 'upstream/develop' into develop
change in InstallLib assumes build/lib/salt and looks for a file based on that assumption.  on certain platforms this fails and causes the setup.py to fail.
Merge pull request #11336 from garethgreenaway/develop

changing the send_msg function to adhere to the salt coding style.
Merge pull request #11342 from techhat/etcd

Turn the etcd returner into an external job cache
Merge remote branch 'upstream/develop' into develop
A few fixes to use :ref: and :formula: instead of :doc:.
Merge pull request #11344 from garethgreenaway/develop2

Fix to make setup.py work
Merge pull request #11343 from dlanderson/getgrouplist

Place group_names in set() before include_default, only trace log final
Add machine-id to the grains
pep8 fixes for grains/core.py
Use cmd.retcode with _linux_bin_exists

instead of cmd.run and echo $?
dash is not allowed in function names

and dictionaries use : instead of , ...