* Allow an env prop to configure whether we want to use the backwards
compatible (but not standards compliant) HMAC-MD5, or whether we want
to use the not-backwards compatible (but standards compliant) one. No
one should touch this setting, unless your name is toad or jrandom ;)
* Added some new dummy facades
* Be more aggressive on loading up the router.config before building the
router context
* Added new hooks for apps to deal with previously undefined I2NP message
types without having to modify any code.
* Demo code for using a castrated router for SSU comm (SSUDemo.java)
731e26e7d6