ACCUMULO-1365 move getRandomFreePort() out of MAC API

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1478005 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1321 set constant to original value and provide comment describing reason for original value

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1478009 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1321 set constant to original value and provide comment describing reason for original value
ACCUMULO-1365 move getRandomFreePort() out of MAC API

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1478032 13f79535-47bb-0310-9956-ffa450edef68