dev-haskell/groundhog: add version 0.6.0

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-th: add version 0.6.0

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-sqlite: add version 0.6.0

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-postgresql: add version 0.6.0

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-postgresql: remove old versions

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-sqlite: remove old versions

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-th: remove old versions

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog: remove old versions

Package-Manager: portage-2.2.8-r1