minor consistency:  whitespace
adding the Basic Idea and Step1 of Getting Data from Wikidot
adding the Configuring Data Retention sections from Wikidot. Some was deferred to the more modern doc.
adding Understanding the Message Format section based on the Wikidot page.
appeasing TravisCI persnickitiness.  It's a word.  Deal.
I think Travis / RST may have been complaining about the lack of newline after the header
bikeshedding for Travis and rST
life's too short. Removing the link because Travis and rST apparently have .
I think I had this one mis-quoted
attempting a different kind of link, because rST
Merge remote-tracking branch 'upstream/master'
Merge branch 'death-to-wikidot'
Merge pull request #821 from gwaldo/master

Merge the "Feeding Graphite" Documentation