fix issue with trigger causing duplicates

Conflicts:
	nzedb/build/nZEDb.xml
Don't display movie info if imdbid = 0000000
Allow empty nzbget username/password.
Chg: Comment out SRRDB from Web PreDB, will be added to IRC PreDB.
Chg: Move some Web PRE source to IRC.
Fix: Add missing from unixtime on predb web.
Fix: When removing the nzbget user/pass it wouldn't stick.