Add a useful error message when the salt minion must exit because the
IPC URI is too long.

Using isinstance() is a bit messay, but I didn't want to step on the
toes of handling the KeyboardInterrupt.
'schedule' typo.
split fedora and rhel documentation. updated index.
update pillar docs
Merge pull request #3590 from ydavid365/patch-2

'schedule' typo.
Fix "variable referenced before assignment" error
Merge pull request #3595 from archtaku/quickfix

Fix "variable referenced before assignment" error
Add a useful error message when the salt minion must exit because the
IPC URI is too long.

Using isinstance() is a bit messay, but I didn't want to step on the
toes of handling the KeyboardInterrupt.
Merge pull request #3589 from Cerales/ipc_uri_error_reporting

Add a useful error message for IPC URI length failure
Try to make some tests for sysctl module
Merge pull request #3598 from giantlock/develop

Try to make some tests for sysctl module
additional info about building windows installer
Break the chain out from the rule
Merge pull request #3600 from dahpgjgamgan/develop

additional info about building windows installer
Merge pull request #3601 from techhat/iptables

Break the chain out from the rule
Fix #3592
Merge pull request #3591 from ydavid365/rhel-fedora-install-docs

split fedora and rhel documentation. updated index.
minion, not master.
udpated osx instructions...
further instructions cleanup