Revert "Removed links to Dash docs until feeds are fixed"

This reverts commit 197ffa1b05f5bacbe52dc0050900de0757888ed2.

Dash feeds are working! Refs #5839
Change the check for git rev-parse to fail if the SHA is not found. Refs #8163.
Merge pull request #8174 from regilero/develop

fix 'OrderedDict' object has no attribute 'append' stack trace in _handle_iorder in case of syntax error
Merge pull request #8179 from cachedout/#8163

Change the check for git rev-parse to fail if the SHA is not found. Refs...
ddns: ensure name is str
Merge pull request #8181 from mgwilliams/ddns

ddns: ensure name is str
libevent-dev required to pip install gevent
Merge pull request #8182 from bretep/patch-1

libevent-dev required to pip install gevent
Fix the Halite tutorial code blocks under configuration.
Merge pull request #8183 from s0undt3ch/develop

Fix the Halite tutorial code blocks under configuration.
Ammended iptables check if statement was mis-tabbed.
Merge pull request #8185 from c-cooperjones/develop

Ammended iptables check if statement was mis-tabbed.