Upgrading Selenium

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1629004 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-135] Security question is now optional for password reset

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1629151 13f79535-47bb-0310-9956-ffa450edef68