netvor/imapdomo: imapfilter convenience wrapper

imapfilter convenience wrapper

Alois Mahdal 730ffc903a Add locking mechanism Action won't start if one is already running. This should prevent overlapping actions. It's possible to turn off locking to allow running imapdomo as service, ie. locking will be taken care of by init system.		6 lat temu
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common.lua	Remove dead code	6 lat temu
imapdomo.skel	Add locking mechanism	6 lat temu
main.lua.skel	Simplify configuration	7 lat temu