Email functionality and forum updates

[Champ]

P.S. Transparent Image Pack :3

Now fix the smileys on the dark theme!
Other than that, yay! :blush:

Also, I'm having email subscription errors. I'm not getting them. The "Subscribed Threads with New Posts" box in the User CP is also so unkind as to show me 4 threads with no new posts, 1 thread with, and ignoring the 3 I'm subscribed to that really do have new posts :c

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