fix permissions check for public access
Merge branch 'master' of git://github.com/aaronpk/Pingback
Merge branch 'master' of git://github.com/aaronpk/Pingback
catch xml parse error

fixes aaronpk/Pingback#3
don't send "X-Frame-Options:sameorigin" header
Merge branch 'master' of git://github.com/aaronpk/Pingback
fix for #5, don't block other referers using the JSONP API
Merge pull request #7 from tribut/xmlerror

catch xml parse error
Merge pull request #6 from tribut/master

Jabber notification
Merge branch 'master' into deploy