Hastymail2 RC 6 released

Added Bulgarian, Japanese, and Italian translations (and a start on Romanian), fixed some bugs with SMTP authentication, improved vcard importing, improved folder list handling, fixed a bug that broke images and thumbnails when not using cookies, Expanded the theming capabilities, fixed some bugs in the advanced search, fixed a bug with templates not loading properly, fixed a copy/paste bug with text message parts, Unified the code responsible for outputting messages lists, and more