replace json with yaml for data file.

i suspect this will make it much easier to annotate the data dump than
the json file.

Author: philipcunningham

codeclimate-shellcheck.cabal

@@ -33,6 +33,7 @@ executable engine
     , Glob       >= 0.7.5    && <= 0.8.0
     , ShellCheck >= 0.4.1    && <= 0.5.0
     , text       >= 1.1.0.0  && <= 1.2.1.3
+    , yaml       >= 0.8.0.0  && <= 0.9.0.0
   hs-source-dirs: src
   ghc-options: -Wall
   default-language: Haskell2010