index: add link to pronouns.

Suggested at IRC.
Remove double-mention of `racist'.
Merge pull request #13 from zackp30/patch-1

Remove double-mention of `racist'.
s/Gays\./Gays\,//
Update index.html with new contents of index.html.md.
Merge pull request #14 from zackp30/patch-1

s/Gays\./Gays\,//
Merge pull request #12 from abgilpqt/pronouns

index: add link to pronouns.