Update DevelMain
Declare and locate run-time data files using Cabal
Add constraints file
Declare run-time data files using Halcyon
Declare git HEAD mueval as build-time dependency using Halcyon
Pass correct GHC_PACKAGE_PATH to mueval
Declare GHC as run-time dependency using Halcyon
Support deploying with Haskell on Heroku
Remove old deployment scripts
Save original README
Add deployment-specific README