haskell-jwt: update to version 0.4.2
haskell: add validation package
haskell-yi: update to 0.10.1
haskell-yi-contrib: update to 0.10.1
haskell-yi-contrib: move under libraries instead
agda: add fuuzetsu to maintainers
haskell-yi: use --suffix wrapper

This allows further wrappers to get around the problem of ending up with
GHC_PATH with double ‘::’ in it, breaking the whole thing.
haskell-yi-custom: convenience wrapper for configs

Now to use Yi along with its config the user passes all the extra
libraries wanted by their config as extraPackages and builds the
expression. This means there is no hassle from the user about having to
manually create a cabal file and wrap over the Yi binary.
haskell-PastePipe: update to 1.6
haskell-yi-custom: broken = true for now
Merge pull request #4532 from purefn/haskell-validation

haskell: add validation package
Merge pull request #4531 from purefn/fix-jwt

haskell-jwt: update to version 0.4.2