Cleaner handling of servers that aren't reachable
Sort images
Fix clearing class name
[mms] Add Cache Administration page.
[mms] Fix replying to non-UTF-8 messages when the 'reply_charset' preference is true.

Text is always stored internally in IMP_Compose as UTF-8, so sending the
charset of the (yet-to-be converted) outgoing message to the DOM class
was causing incorrect charset conversions.

Conflicts:
	imp/docs/CHANGES
	imp/package.xml