tree de8a4012b414654f43cf560d66d2130ee03a9dd8
parent 968c70d34ab6cba539710bd1e77964324cb6a918
author Jonathan Hart <jono@onlab.us> 1422396443 -0800
committer Jonathan Hart <jono@onlab.us> 1422468874 -0800

Remove "throws IOException" from ClusterCommunicationService APIs

that never throw IOExceptions. These APIs already return boolean to indicate
if sending failed.

Change-Id: I339949fe59f3b8b18a117aabc8d67402dc66c2a3