Simplify list comprehension and get values, not keys

I must have been asleep.
Add RTD to the release process, Fix #6185
Cleanup the whole darn __clean_tmp() function
added code to master.py to check for users if they do't show up in
pwd.getpwall. This can happen on LDAP-enabled user systems. You can see the
user not show up, but still be visible if you query for them directly.
Fix caching of 0-byte files

For some reason there was a check to see that the destination for the
cached file exists before writing an empty file. This prevented a 0-byte
file from overwriting a previously non-empty file in the cachedir. This
commit removes that check for the cache file's existence, allowing it to
be overwritten.
Make sure nothing exists at jid path before creating dir, Fix #6203
Fix indents (how did this happen?)
Fix tmpfile cleanup for windows (itertools not supported), Fix #6209

Rather than continue the list comprehensions that have given trouble
previously, I just did it with an easy-to-follow nested loop.
Revert "Fix tmpfile cleanup for windows (itertools not supported), Fix #6209"

This reverts commit 03561b784003035e4b9d11e95a9e508460440b04.
Import itertools in win_file.py
Fix PEP8 stuff
SaltStack not Salt Stack
added reconnect dealy for the minion zmq-pull socket
Bypass mysql connection arguments
Add connections args to other methods
mysql mod: use connection_args within db_check() too
Add ability to set passwordless login (mysql_user)

This commit adds the ability to set a passwordless login. This
functionality requires a new keyword argument (allow_passwordless) be
True.

Fixes #5550.
punctuation fix
Remove ref to salt/modules in module writing docs

A beginner is not going to know what this means, so don't muddy the
waters with this info. Besides, new modules should only go in
salt/modules once they are accepted into salt proper. Custom modules
should pretty much always go into _modules.
Add ref/tops/all/salt.tops.reclass_adapter.rst

auto-gen'ed rst file for new reclass adapter