Fix broken links and other sphinx errors
Add best_practices page to docs
Merge pull request #11307 from terminalmage/docs

Docs housekeeping
The return key is the one we need :)
Add a fallback
Convert the jid pieces to integers, check for errors
Proof of concept work for group support in eauth.

Debugging code still in place.
Scrub directory if there's no jid file (corrupted entry)
lxc/salt cloud: improvments for ssh gateway
Merge pull request #11311 from makinacorpus/clou3

lxc/salt cloud: improvments for ssh gateway
Fixed some issues with links inside of the best practice docs.
Fixed some line lenghts for the best practices.
Notify users of none existant home directories and try to copy the old home directory if the user specifies
fix for keystone.user_add
salt.runners.lxc: speed up lxc.find_guest by returning an iterator from list_
Merge remote-tracking branch 'origin/develop' into lxc
salt.runners.lxc: move list_iter into its own function
Merge pull request #11315 from CSSCorp/develop

fix for keystone.user_present
Added find_cached_job() and cached() to return data of cached jobs from minions
Fixed doc typo