access_createnode acl also applies to auto created nodes
backport TECH-1293(mnesia)
Merge pull request #42 from sezuan/2.1.x

2.1.x
Handle ~ control sequence in text of mod_muc_log (EJAB-1639)
Improve previous commit (EJAB-1639)
Handle multiple < and > in mod_muc_log plaintext mode (EJAB-1640)
Detect correctly newer Darwin versions (EJAB-1594)
Fix Guide: ejabberd_service expects a shaper_rule, not a shaper
Fix bug when displaying offline messages in WebAdmin
Normalize HTTP path (thanks to Justin Kirby)
list_to_integer/2 only works in OTP R14 and newer
Add release notes for 2.1.13
Update ejabberd version number to 2.1.13
Write some debug output to /tmp/ejabberd-debug.log