fixed reverse operation
unit tests for set name reverse operation
added model operation manager to editor
created gal.javax package for model abstraction for java
created gal.javax.partition for operations on partition nodes
Initialize PartitionPage with operation manager
applied gal for partition rename in partition details page
cleanup
adapted partition children viewer to use GAL
null pointer exception fix
renamed package
intrioduced set value operation for partition
polished error message
created generic node interface in ui package
renamed gal mackage to modelif (model interface)
removed node name validation suypport from model (name will be validated
by model interface layer).
renamed GalException to ModelIfException
removed NodeAbstractionLayer
moved Constants from modelif to modelif.java
removed references to modelif from model
Added root interface and some other mess that will be cleaned later