static methods in interfaces can't be hidden in subclasses (IDEA-124921)
IDEA-124871 Can't build project if its name contains colon: convert project only when it is used as directory name
https://groups.google.com/forum/#!searchin/netty/netty$204.1/netty/8jf6SPFiN6g/nLg7opwUsxwJ

Now we can use 4.1, https://groups.google.com/d/msg/netty/8jf6SPFiN6g/hBaYJEioWJkJ
we must avoid use UUID.randomUUID — can cause long network calls
cleanup tool -> inspectionEP
Merge remote-tracking branch 'origin/master'