Upgrade Tomcat to 7.0.55

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1614549 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-538] Global pom property added 'conf.directory' + various fixes

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1614678 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-524] Renaming db columns according to their JSON content

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1614682 13f79535-47bb-0310-9956-ffa450edef68