Upgrading CXF and Spring

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1612215 13f79535-47bb-0310-9956-ffa450edef68
Upgrading CXF to 3.0.1 (thus removing last SNAPSHOT dependency) + parameterize installer's dependencies

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1612224 13f79535-47bb-0310-9956-ffa450edef68