xmppclient_listener: Escape control characters when logging invalid XML.

Merge with 0.6

s2smanager: Log warning when trying to send a stanza from a host we don't serve, instead of a traceback (thanks stpeter)

Merge with trunk

net.server: Log an error when libevent is requested, but luaevent is unavailable, and don't load luaevent when not requested.

core.sessionmanager, net.*_listener: Remove the evil collectgarbage() calls

Merge with trunk

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mercurial