EDIT

fixing #2547

• fixed class cast exception

• added exception throwing to URI assembly in Sequence class
  • handled exception in editor details view

• added elevation to section title

• applied coding conventions

• fixed possible SessionException

• adapted derivate hierarchy assembly to cdmlib3.4 changes (TissueSample, DnaSample as one class)

eu.etaxonomy.taxeditor/pom.xml : reverted addition of nebula widget jars
pom.xml : changed nebula repository to archived one
eu.etaxonomy.taxeditor/rcp.target : changed composite table jar widget to the one in the repository

removed version dependency for org.eclipse.nebula.widgets.compositetable
and added the composite table jar to the p2 update