add: settings for prosody in example config
add: whitelist example in example config
fix: whitelist feature
fix: error message in whitelist
fix: url field type changed to text-single (xep-0004)
fix: write pid-file at start and remove it at end works
chg: default avatar and gateway logo
fix: transparency at gateway logo
fix: transparency at gateway logo, reduce file size
add: ipv6 support in xmpppy
fix: ipv6 support in xmpppy
chg: gateway logo
Merge pull request #10 from disabler/master

fix-pack by diSabler