Updated copyright notices to include the year 2018.
Updated copyright notices to include the year 2017.
global: Use const for all test_functions[] arrays
global: Use "static const" for all struct tests[] arrays
global: freshen copyright git ls-files | xargs perl -p -i -e 's/(\d+)-201[0-5]/$1-2016/g;s/ (201[0-5]) Dovecot/ $1-2016 Dovecot/'
lib-mail, fts: Put application/xhtml+xml MIME parts through html parser as well.
lib-mail: Added message_snippet_generate() to produce a short text snippet of a mail.