ACCUMULO-1393 cleaned up unused import warnings from prior changes on this ticket; formatter also seemed to want to get in on the action

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1485778 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1399 add exclude for rat check for previously checked in file

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1485789 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1336 fix javadoc in lexicoder

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1485793 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-829 Apply patch from Sean Hickey, with modification of moving utility class for creating tokens to core instead of server

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1485798 13f79535-47bb-0310-9956-ffa450edef68