added in Keith with affiliation #4 since it was missing from the previous list
small changes, and comments to Future section
dropped the 'Development workflow section, retaining the salient points about the SunPy community and dropping the git/github description.
comments on database section, small edits
removed the first image and listing, and compressed the description of the download_png portion
moved HELIO overplotting on maps to Future section
added a comment right at the end