mimemail 7.x-1.2

Changes since 7.x-1.1:

• #3252700 by TR: PHP 8.1: trim(): Passing null to parameter #1 ($string) of type string is deprecated
• #3252691 by TR: PHP 8.0: Required parameters following optional parameters
• #3128810 by TR: Add new permission for sending test email with mimemail_example
• #3127906 by TR, anrikun: Spelling and punctuation
• #2858422 by Munavijayalakshmi, TR: Implement hook_help for module
• #2883745 by das-peter, indigoxela, jerdavis, HansKuiters, drumm, ndf: Notice: Undefined offset: 0 in mimemail_html_body()
• #2947006 by vlklavanya, oadaeh, loopduplicate, bkosborne, sjerdo: Remove usage of deprecated create_function() calls for PHP 7.2+ future proofing
• #3053313 by TR: [D7] Coding standards - a few miscellaneous changes.
• Coding standards: join() is a function name alias, use implode() instead Inline control structures are not allowed
• Line indentation, wrapping, punctuation, and whitespace.
• Use bool instead of boolean in @param and @return.
• #3053313-2 by TR: [D7] Coding standards - whitespace and punctuation.
• #3053311 by TR: Function visibility - D7