Adding the fan to 1S MMP

[simplechamp]

The reason I'm choosing the Castle fan/shroud over the other fans I have laying around is mostly aesthetic. I want the look of a standard MMP, not a fan zip-tied or screwed into the heatsink. My reason for using the 1S version is different than a 1/12th racer, and the body clearance issues aren't a concern for me. If I eventually want to use the controller on 4-6S it will be nice to know I can without worries of overheating.