Bug fixing and IDPPublic config

Solved several bugs with firewalls limiting the access to tomcat.

IDPPublic now download (release 1.1.3) and configure but not deploy yet.

The deploy has several differences between CentOS and Debian and tests
are required.
Merge branch 'master' of github.com:AAROC/DevOps
Role for IDPPublic almost working
Merge pull request #65 from INFN-Catania/master

IDPPublic roles working