Revert "Using proper namecoin address versions"
Revert "Using proper namecoin address versions"

This reverts commit 95ca4f8dc800a203f65613afe5c9c79894d6c6a7.

We now use the same privkey format as Bitcoin.

digideskio/namecoin,digideskio/namecoin,digideskio/namecoin,digideskio/namecoin,digideskio/namecoin