findbugs correctness fixes, all over the place
i2prouter: create i2p.dir.config with umask from wrapper.config
work on failing JUnit test
merge of '15e16e2fd4c5be75a63b28616b413a8d1e13e1d6'
     and '2449ac4142097e34b7ad4c4c4cb16c163a786a16'