Initial Revision
New Methods setValueArray() and clear().
Added training and invitee stuff.
Added comments.
Fixed null pointer exception for trainings without rating and certificate.
Fixed null pointer exception for training without skill.
Added and corrected messages.
Set fields certificate and rating to not required.
Added setFocus():
Set focus to first field.
Field successfully removed.
Renamed InviteeXX to AttendeeXX.
Renamed InviteeXX to AttendeeXX.
Rights management for skills.
Rights management for skills.
Added additional search fields.
Added fields and methods for rights management.
Root node is shown to enable generation of top level skills.
Added rights columns for developing purposes.
Rights management.