[Parley] Replace deprecated libkeduvocdocument methods
Review Request #128256 - Created June 19, 2016 and submitted
With commit ddb743b of libkeduvocdocument some methods which returned
non const refereces to private member values of KEduVocTranslation have
been set as deprecated. These methods were replaced with new provided
Some unused lines were deleted to make the compiling free of warnings.
Removed unused code and protected pointer access.
Revision 2 (+34 -59)