uniformed modal page and other little refactor

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1484346 13f79535-47bb-0310-9956-ffa450edef68
RestTemplate scope has to be session, Fixed SYNCOPE-371

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1484736 13f79535-47bb-0310-9956-ffa450edef68
Upgrades: Wicket 6.8.0 and Spring 3.2.3

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1485089 13f79535-47bb-0310-9956-ffa450edef68
Merge from 1_1_X

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1485090 13f79535-47bb-0310-9956-ffa450edef68