misc cleanup

Change-Id: I774d868ac7459ced8f4d305e0a4e4392784969f1
move readFrame to ZMTPMessageParser

Change-Id: Ic95aed2a851c55096170a6d2bdcd786588ea1b6b
cleanup

Change-Id: I48a7f25f0f02901f8c9b69f4c6cb430b8f8657e1
fix javadoc

Change-Id: Ibb4d1d899fed7965ee61965d7599a42575ee9c0d
wip: refactor the universe

Change-Id: I7ef0be24578785b50e3747a0e1f80b765baa83e3