Added generic URI management

Added management of PZ-Owner generic URI
http://webinos.org/subject/id/PZ-Owner

and known PZHs (friends) generic URI
http://webinos.org/subject/id/known

Jira-issue: WP-1197
Added bags management

Jira-issue:WP-1197
just a few comments, still working on it
placeId finished
joinResult finished
changed the format to use the array
avoid the second run as possible
Added generic URIs to setPolicy

Jira-issue: WP-1198
Bugfixing

-cloned policy object
-fixed rules id change
-fixed subject update

Jira-issue: WP-1198
wp-1199, add generic URI in getPolicy(Set)BySubject
Merge pull request #9 from ccameroni/WP-1197-getPolicy-add-genericURI-and-bags

WP-1197 add generic URI and bags to getPolicy
Merge pull request #10 from ccameroni/WP-1198-setPolicy-genericURI

WP-1198 set policy generic uri
Merge pull request #11 from baaltommysu/Tao

Jira issue: WP-1199