Release v0.8

Changelog:
 - Introduced options `--sendSubscriptionRequest` and `--sendSubscriptionRequestInterval`
 - Don't crash if someone remove unavailable user from roster at work
 - Introduced an option `--debug`
 - Never crash on unvalid data from 3rd clients
 - Don't make deep check for JID if our server thinks that it has error
 - Added timestamp to logs
 - Extended format with comment and use it to explain reason why this JID isn't available

Release v0.7

Changelog:
 - Reorganized CLI arguments, made it clear
 - Fixed scripts
 - Use SRV of by default and use --host/--port to overidde it
 - Implemented onlyUnreachable to cleanup roster from rotten contacts

Release v0.6

Changelog:
 - Switched to java 1.8, smack 4.2 with tls/ssl support
 - Introduced support of adium format
 - Sent subscription request if it is a new jid in roster