Log Message:
Update fengoffice to 2.1.0.

Here are some of the new features and improvements of Feng Office 2.1 over
version 2.0 final release:

* New notification format
* Advanced search
* Notes and Tasks WYSIWYG
* Tasks quick edit is back and improved
* Google Docs compatibility
* Improved Google Calendar integration
* Archive Dimension Members is back
* Easier to delete Dimension Members (is back)
* Overview ¡ÈView as list¡É is back
* IMAP sent e-mail sync is back
* Improved templates
* Improvements when linking objects
* More data on the task list: good for management
* Indexing of .odt and .fodt
* File extension prevention upload
* Lots of improvements to the Gantt Chart module (Professional Edition)
* Task dependencies (Professional Edition)
* One task for many people