Downgraded to 2.0.4 due to a mess-up

Incremented to 2.0.5 in local codebase, and then forgot to commit that
change, thus leaving it at 2.0.4...

Downgrading stops the editor from pestering people to update (since it
detects 2.0.5 in auto_update.xml, but the downloaded program is at
2.0.4)