Request and though shalt receive.

1. https://github.com/stackernews/stacker.news/issues/23 by @abetusk
2. https://github.com/stackernews/stacker.news/pull/19 by https://github.com/bubersson
3. cmd or ctrl enter to submit text areas by @Calle
4. highlight new notifications in the /notifications area. This was something I wanted because it was hard to tell what I was being notified about relative to the past notifications.