[test] Add unit test for rhbz#1127804
[xmvn-resolve] Fix printing of classpath results
[xmvn-bisect] Obtain Maven Invoker directly, without DI
[xmvn-bisect] Refactor InvocationOutputHandler in bisect
Uptate to Plexus Utils 3.0.20
Uptate to Maven Assembly Plugin 2.5
Don't concatenate paths with string operators