Update packaging script
Update Dutch translation (thanks to Erik Kerkhoven)
HTTPS links highlighting

Make a https links highlighting too.
Update chat.php
Prevent generation of negative tokens (see Issue #5)
Merge pull request #6 from falcon4fun/patch-1

HTTPS links highlighting
Beautify regexp for links highlighting in dialogue
Prevent user from setting an empty name (see Issue #3)
Improve passwords hashing and testing

* Fix issue with failed blowfish-based encryption (see second part of Issue #7)
* Switch to binary safe hashes comparison
Fix missed db connection in escaping values when storing notification
Add initialization of 'sendmail_from' PHP variable

This is a workaround for some systems that requires this variable to be set explicitly for sending emails (thanks to falcon for the issue)
Change version to 1.6.7
Update changelog
Update packaging script
Remove useless double strings sanitizing
Fixed some localized constants
Add Lithuanian translation (thanks to livechat.lt)
Unify translations: add extra Deutsch localization constant from master branch
Remove useless links to 'Download' page for absent Mibew Jabber
Clean up repository