added DELETE_DISPOSAL permission
gh-176 : working on administrative
gh-176 : fixed select-employee screen to allow selection of
administrative employees
gh-176 : deletation of employee involved in an employee type transfer
again possible.
gh-176 : fixed missing comment in rankinfo cloning.
gh-176 : we are now able to clone Employee & Person instances using the 
respective cloning constructors. 

Also various generic attributes have been moved from Employee to Person
gh-176 : Added cloning constructor to RegularEmployeeInfo together with
transfer oriented attributes.
gh-176 : Added cloning constructors to EmployeeInfo, Address,
EmployeeLeave and Employment
gh-176 : Adding EmployeeTypeTransfer entity
gh-176 : Added AdministrativeEmployeeSpecializationSuggester
fixed dependencies with rankinfo & employeeInfo so we can delete an
employee without custom operations
gh-176 : fixed EmployeeSuitableSpecialization JPA object
gh-176 : initial working revision of employee type transfer. Currently only transfer to ADMINISTRATIVE is handled correctly