Updated the readme to point to a more feature-rich maven plugin with more recent development history.

Update libraries, update mongod, fix warnings

Fix process after run hook

Additional options for mongo.

Support the storageEngine.
Actualize versions to current releases
Add additional config options for mongod.

Fix process after run hook: process could be already finished successfully (exit code 0) when we try to read its output and check for success.

fix gradle version typo

Replace java.util.logging with Slf4j facade (fixes #67)