[SYNCOPE-426] Setting UserMod#id and RoleMod#id in service implementations, prior to call to controllers

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1535655 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-426] Merge from 1_1_X

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1535657 13f79535-47bb-0310-9956-ffa450edef68