Log Message:
Changes 1.0.6 - 1.0.8
* Remove "Feel free to send more messages" text from vacation messages.
* Disable gzip for Opera attachment download.
* Fixed config->prayer_user expansion.
* fatal() shouldn't dump core if root.
* Fixed abook_list boundary condition when current entry is last on page.
* Added message download link for Message/RFC822 sections.
* Fix session_server() ping interval logic.
* Other bug-fixes