Workaround fixes

Removed work around for codebase using both taskid and task_id, now
standardised on task_id throughout the codebase and the setting of the
GET variables has been removed.
Fix FS#1838

Missing Language file entry.
Workaround Fixes

Removed workaround code.
Merge pull request #51 from Arborweave/master

Allow the admins to choose to approve every user register