3.0.4

The OBM Core Team is releasing today a new version of the ActiveSync server: *Opush 3.0.4*. This is a version fixing the following issues:

* Reply to an email with no charset defined works now perfectly
* No more errors with users without IMAP Sent folder
* A deleted occurence on a smartphone is now correctly deleted in Thunderbird calendar too
* Invalid ServerId in incoming requests are now handled
* Useless HTML tags are no longer displayed in the preview of iOS devices