Initial draft of the SEP "Packages Affilitated with the SunPy Project."
small typo fix
First round of affiliated package changes.
Merge branch 'sep-affiated' of github.com:Cadair/sunpy-SEP into sep-affiated

Conflicts:
	SEP-0007.md
board comments
more changes
final commit
Merge pull request #14 from Cadair/sep-affiated

Packages Affiliated with the SunPy Project.