mod_posix: Daemonize by default only when installed
modulemanager: Always load a platform-specific module, add stub modules for Windows and unknown platforms
tools/ejabberd2prosody: Handle new room member format.
MUC: Tag PMs with <x>, like presence stanzas
mod_c2s: Break out stream opening into a separate function
Merge 0.9->0.10
Merge 0.10->trunk