Large code changes to support language translation files.

Added support for file based configuration.

Partial changes for possible support for multiple languages.

Fixed search by date range. Added Highlight all occurences in Message…

… option to Find Advanced dialog.

Fixed search by date range. Added Highlight all occurences in Message…

… option to Find Advanced dialog.

Added support for cycling Mail Summary and Mail Message panes using C…

…TRL+n.

Fixed print header&footer option. Added export mails option. Added op…

…tion on how to open linked documents.

Ported to Unicode.

Added support for direct open of mail file by double-left-click. Enha…

…nced handling of inline text blocks.

Cont: Enhanced Gmail Labels to address garbled text for ANSI encoded …

…labels.