Ameliorate bulk email sorting nightmare caused by 759256323f3b and 15a272bcc705.
fix theme preview images not shown on edit page
use tabnav on appreviewing/log pages, some refactor work on queue pages (bug 849454)
fix theme tests
Merge pull request #758 from kmaglione/email-mess

Ameliorate bulk email sorting nightmare caused by 759256323f3b and 15a27...