[SYNCOPE-363] Creating ApacheDS work directory and loading default content only for first run

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1469830 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-363] Merge from 1_1_X

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1469831 13f79535-47bb-0310-9956-ffa450edef68