version 2.1.0
This release focuses on new calendar module and a 'mega' menu
  - adds optional nested comments, and optional per-item comment disabling
  - adds optional comments to filedownload module items
  - adds optional external file url for file download item
  * removes extra themes to reduce size of package, available as separate addon downloads
  - adds version change information to initial upgrade page
  - adds optional color/style to categories
  - upgrades calendar to a 2.0 event controller with categories & tags
    *- optionally upgrades and converts existing calendars
    -- adds color-coded categories and tags
    -- adds color-coded aggregation of external Google & iCal calendars, and online event registrations
  - adds new 'mega-menu' navigation view with new free-form page/menu type for embedding modules
  - adds random sorting/sequence to photo album/slideshows
  - adds optional user selectable email destination on form submission
  - adds new built-in database manager
  - plus many, many other tweaks, fixes, and features
