Added AlterEgo and alphabetized list

See #633
Added AlterEgo Logo
Merge pull request #643 from jamcat22/patch-2

Added AlterEgo
Update link to heart-internet as per email

Jenni Brown emailed me noting their domain change and wanted it updated
on their site.
Remove whitespace in domains.yml
Merge pull request #645 from jdavis/heart-internet

Update link to heart-internet as per email