ACCUMULO-1114 a partial fix for user/table password handling

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1450405 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1118 - updating cli's default password to be empty, and some of the tests appropriately



git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1450418 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1114 a partial fix for user/table password handling



git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1450424 13f79535-47bb-0310-9956-ffa450edef68