Actually fix Mold Breaker+Slow Start

It wasn't fully done in https://github.com/Zarel/Pokemon-Showdown/commit/c6dc05d66df474fcf2d3e253476e2aed56e80d1c
Fix typo in /help
Fix typo in previous commit
Update /help
Added help for pick, htmlbox, roompromote, roomdemote commands.
Also linked /dice and /modnote to their respective help sections.
Fix /fr failing to check prior name changes
Merge pull request #22 from Zarel/master

Patch 22