Updated JSP Pages: Add Portal tags and absolute links

  * Also added 'isElIgnored' tag to pages with ${}
BolonhaManager interface is now ported to Portal
Migrated delegate portal
Cleaning up CSS

  * Replaced calendar CSS with bootstrap
  * Fixed Versions of JQuery and JQuery UI
    * JQuery is natively provided by portal
    * Updated JQuery UI
Add Hints to StrutsApplications
Add a Custom UserPresentationStrategy based on the user's nickname
Migrated DirectiveCouncil
Migrated Person Module
First take on the Manager portal
Scientific Council Take 1
Migrated Rectorate Module
Migrated ResidenceManagement module
Migrated Nape module
Completely expunged FacultyAdminOffice portal
Removed PendingRequests
Migrated External Supervision module
Removing 'credits' struts module - none of its actions actually existed/worked
Migrate Public Relations office
Migrated Personnel Section functionalities
Migrated International Relations Office