[Fix] Drop port from 10000 to 9500

My comp would not serve ports above 9999, retured error "invalid request".
[Fix] Serve with unminified dependencies

Serving with minified dependencies has the benefit of making sure that our code
works in the same state as it will be in production, but makes debugging
dependencies impossible. In practice serving the unminified dependencies is
practical/necessary for testing and debugging.
[#5815290] Bump ttm-coffeescript-math version to 0.3.1