[SYNCOPE-349] Using orderby for users', roles', tasks' and reports' tables sorting

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1552531 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-349] More input sanitizing

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1552532 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk
[SYNCOPE_464] Added ErrorTO that will display error details (as XML or JSON)

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1552631 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk
fixed issue #7 - fixed issue #8