add chem dispencer boards to research

[Siserith Vassada]

Summary (a quick, 2-3 sentence summary):allow research to create new chem dispencers

Benefits (How this will benefit the server and game as a whole):more chems

Details (Description of how you think this would work, the benefits, etc):allow research to resarch and construct new chem dispencers

Implementation (Optional, if you have an idea how to implement it):

[apophis775]

Denied.

They already have one...