Spring Security upgrade

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1618465 13f79535-47bb-0310-9956-ffa450edef68
Updating ConnId AD connector version

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1621302 13f79535-47bb-0310-9956-ffa450edef68
Merge from 1_1_X + Activiti update

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1621304 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/1_2_X' into 1_2_X