Replace Iconv with built-ins for Ruby >=1.9
patch RMail field parser to use UTF-8 regexps and fix_encoding before parsing field
more robust fix_encoding
Don't require iconv anymore
use fix_encoding, not force_encoding
refactor transcode
Merge remote-tracking branch 'gauteh/get-rid-of-iconv' into running
Merge branch 'get-rid-of-gettext' into running