mimemail 6.x-1.0-alpha6

The sixth unofficial release and snapshot of current functionality.

The following patches have been committed since the alpha5 release:

• #629038 by Robbert: Attachments dont respect ‘list’ setting
• #882960 by sgabe, glynster: CSS Mail Style Sheet Overrides
• #319229 by javierreartes, tobiasb, sgabe, crifi: Set $attachments in drupal_wrap_mail()
• #903536 by sgabe: Use variable_del() to remove smtp_library()
• #456242 by sgabe, kenorb: Use proper operators in if statements with strpos()
• #882528 by sgabe | Carsten: Template suggestions based on mailkey
• #752838 by sgabe | dsms: Pass $subject to the template
• #319384 by sgabe | mariuss: Add $mailkey to body tag as CSS class
• #796510 by sgabe | smk-ka: Update CSS Compressor
• #614782 by sgabe, Sutharsan: Update README.txt