ezmlm-idx5: modsub and modpost are ignored, if the flag is not set

check relevance of "t", "f" and "x" flag for idx5

"cancel" button during text editing (simple "reset" input button)

restore user input after failed list_create (especially options)

support for:
	* show subscription log
	* 'mailinglist' (maybe)
	* config directory (maybe)

allow dynamic addition of user-made config templates (seperate directory, ...)

interface language switch support
choose basic/expert to disable questions

export subscribers