GitLab

these weren't actually modified when commands2 was introduced. they're
exact replicas of the ones that presently exist in core/commands.

cc @whyrusleeping

discovered by @mappum and applied at https://github.com/jbenet/go-ipfs/commit/414e20b71e50b65e40883f3ac85f91aa81c1e486

fixing here to address #233

https://github.com/jbenet/go-ipfs/issues/233

- less floating variables

- distinguish log.Error and log.Errorf functions
- Initialize structs with field names
- A bit of unreachable code (defers)