Added nohup example to the FAQ about restarting Salt with Salt

Suggested by @ in #7997.
Added several Orchestrate cross-references and details
Added documentation for key events
Adds param to def create_attach_volume (wait_to_finish), default to true, as you can't attach a newly created volume unless it's available
fixing docker.absent, docs says it will stop and destroy, when in fact it only stops
Quotes for at mod
Quote for bluez
quote bsd_shadow
Use file.append to write
Fix an exception in s3fs.

S3fs was throwing an exception during the sync in the case where a file
requested does not exist in s3. This commit does the mimimum possible
to fix this issue.
python_shell=True and shlex quotes
quote debian_ip
Change log line to trace
Use re to search for jails/services
Merge pull request #18159 from jacksontj/2014.7

Change log line to trace
Set shell on keyboard module calls
quotify yumpkg.py
pass shell arg
handle missed cmd.retcode statement
Merge pull request #18119 from kshenk1/cloud_wait_for_volume

Adds param to def create_attach_volume (wait_to_finish), default to true...