Easier to use test net

I don’t like how I’m doing this and need for refactor it.
Add support for postgresql blockstore
Bump to 0.4.1
This was coughing up errors every now and again
getting the addresses as a sequence was not updated to the changes in the latest bitcoinj
Release 0.4.2 Bugfixes
Merge pull request #1 from pelle/master

latest changes