gh-176 : added ADMINISTRATIVE_EMPLOYEE_TYPE &
ADMINISTRATIVE_EMPLOYMENT_TYPE types and localized strings
gh-176 : added various administrative specializations
added EmployeeSuitableSpecialization
fixed an spelling error in CourseTypeManagement
added EmployeeSuitableSpecialization
gh-178 : fixed an issue with leaves not trimmed correctly
gh-180 : fixes issue with multiple disposals
gh-179 : fixed a spelling issue with leave 42
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-181: Problem solved. Ο έλεγχος για την απόδοση νέου ΜΚ ή του επόμενου
βαθμού γίνεται πλέον μαζί με τον επανυπολογισμό της
υπηρεσίας/προϋπηρεσίας όλων των εκπαιδευτικών, καθημερινά και σε batches
των 50 ανά λεπτό.