Rename BuildMessageTest so it doesn't match the JUnit wildcard.
	Add note that the test (most likely) needs to be re-written fom scratch.
Update FragmentTest to expect an IAE.  
	Update {Batched}FragmentTest to JUnit 4
	Use a single instance of I2PAppContext
fix BandwidthLimiterTest
- s/classpath/javac.classpath/ I'm fairly sure that this must have been added
  in error.
- add jenkins.cobertura.report target. The jenkins plugin couldn't find the
  sources, so I'm hoping this helps it out.
- add debug lines cobertura needs
merge of '2246f1b81c19ddc2c058e68870f1445b9cca1598'
     and '956cf5bff87f174141628efbad07e028e30fc4c9'
re-enable DataHelperTest since the jenkins test was a success