Merge pull request #660 from DariusIII/dev

Dev
Remove remaining grabnzbs dependencies and nzbs table
Missed the deletion in Releases.php
Fixed the oldestnzb missing index.
Merge pull request #1342 from DariusIII/dev_test

Remove remaining grabnzbs dependencies and nzbs table
fix web lookup for requestid_threaded
Merge pull request #661 from nZEDb/dev

Dev