Add missing config params to minion conf docs
Add missing config params to minion conf docs

I noticed earlier tonight when I added some information to the "hacking"
docs that my "root_dir" and "sock_dir" links were not actually linking
to anything, and found that they were missing from the minion
configuration page. It turns out that there were a good many params that
hadn't made their way into the docs yet, so I added as many of them as
I could identify.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt