OPAL-2112 - used UiHandlers and ModalProvider to clean up the parent slot; the cause of the bug
Merge pull request #347 from kazoompa/bug-OPAL-2112

OPAL-2112
Merge pull request #348 from emorency/master

OPAL-2114: Fixing navigation on values table with offset/limit
OPAL-2110: Prevent the cll to updateVariables if the filtering text is empty
OPAL-2114: Not using stringutils...