removed unused packages
Updated to Meteor v0.6.5
belt: removed belt package
Belt.MD5 -> MD5
Belt.Gravatar -> Gravatar
Belt.Flash -> Flash
Belt.Text -> TextUtils
Belt.Analytics -> Analytics
Belt.File -> File
Belt.Map -> Map
Belt.Meta -> Meta
Belt.Plugins -> CollectionPlugins
Belt.Slug -> Slug
Belt.AdminPages -> AdminPages
Belt.Settings -> AppSettings
Belt.Schema -> Schema
Belt.User -> User
Belt.Error: deleted
Belt.Validation: deleted
Belt.Model -> Model