[DS-1613] Porting curation task administrative UI to JSPUI
extracts the common codes to a file and includes it.
moved the variable result to the include file
added a license notice
[DS-1613] Porting curation task administrative UI to JSPUI
extracts the common codes to a file and includes it.
moved the variable result to the include file
added a license notice
move url from /dspace-admin to /tools for community/collection/item
fix conflict
sort chaged messages
Fix security hole: any registred user was able to execute curation tasks

As the curation servlet is mapped on both paths tools and dspace-admin a smart
user could take advantage of the form parameters reserved to the main admin
console and redirect the request to the tools path. The main admin console need
to enforce security directly without rely only on the administrator filter