1.4.0 (2014-11-28)
  - fixed alert removal order
  - made alert remove timeout configurable
  - added handling of "preinstall" and "postinstall" hooks for recipes, possible values are "type" [alert|overlay], "message" (any text) and "link" (url to README etc.)
    which are displayed before/after download of modules. The default "type" for preinstall is "alert", for postinstall "overlay".