Merge pull request #205 from andrewthad/update_maintainer_list

update maintainers list in cabal file

Author: emilypi

unordered-containers.cabal

@@ -11,7 +11,7 @@ description:
 license:        BSD3
 license-file:   LICENSE
 author:         Johan Tibell
-maintainer:     johan.tibell@gmail.com
+maintainer:     johan.tibell@gmail.com, David.Feuer@gmail.com
 Homepage:       https://github.com/tibbe/unordered-containers
 bug-reports:    https://github.com/tibbe/unordered-containers/issues
 copyright:      2010-2014 Johan Tibell