Jackson and maven-deploy-plugin upgrade

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1629819 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-560] Adjusting maven-war-plugin configuration

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1629822 13f79535-47bb-0310-9956-ffa450edef68