Fixed account to re-register when the password is changed

Ignore-this: 1c871bddca1d67fd102ded10fb705a09

darcs-hash:20090714135831-1e3d8-ad979548156b6cb8c72827f43204122a4949a6f1
Modified type and default value of audio.sample_rate setting

Ignore-this: ec6cb5af4b15e9c0fe8357325d0599ab

darcs-hash:20090714153013-1e3d8-d29946cfecf2a05983f177b44e26a0d31a4aa57e