Merge pull request #1084 from nZEDb/dev

added check for argv fixreleasenames_threaded.py
Delete rename_to_lower.php
Merge branch 'master' of github.com:nZEDb/nZEDb

Conflicts:
	misc/testing/DB_scripts/rename_to_lower.php
Merge pull request #1086 from nZEDb/dev

fixed for duplicate id's
Merge pull request #1087 from nZEDb/dev

Dev
Merge branch 'dev' of https://github.com/nZEDb/nZEDb into dev-Roelski-screenthreadfix
Merge branch 'dev' of https://github.com/nZEDb/nZEDb into dev-Roelski-screenthreadfix
Merge branch 'dev-Roelski-screenthreadfix' of https://github.com/Roelski/nZEDb into dev-Roelski-screenthreadfix
Changed double screen in threaded screen script. Added threaded backfill to script.
Merge pull request #1089 from Roelski/dev-Roelski-screenthreadfix

Dev roelski screenthreadfix