[Merge] lp:~futatuki/mailman/fix-typo-in-nondigest-help into lp:mailman/2.1

[Yasuhito FUTATSUKI at POEM]

Oviously first occurrence of 'regular_exclude_lists' in above description sentence is a typo of 'regular_exlude_lists', auto spell correction system corrected unexpectedly....
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https://code.launchpad.net/~futatuki/mailman/fix-typo-in-nondigest-help/+merge/285829
Your team Mailman Coders is requested to review the proposed merge of lp:~futatuki/mailman/fix-typo-in-nondigest-help into lp:mailman/2.1.