AbstractGeneralMetadata: Fixed minor bug in defaultAxis
TwoValuesToCellNodeModel: add compute(DataRow row) method
fix visibility and ordering of static SettingsModelCreators
fix visibility of methods and fields for inheritance
OverlayAnnotatorView: organize imports
IONodeSetFactory: formatting and adding LabelingEditor
Interactive Labeling Editor: Add Node

Andreas Burger finished the implemenation of the LabelingEditor node. This
node allows the editing of labels of a given labeling. For example this
is useful to create training data for subsequent supervised classification.
LabelingEditorToolbar: remove unused class
LabelingEditor Documentation: Change "highlight" to "hilite", add missing documentation
Labeling Editor: Add additional documentation
Labeling Editor: Code Cleanup
Label Editor: Rename key used when saving settings
Labeling Editor Dialog: Rename "highlight" to "hilite"
Labeling Editor: IntType now possible for the type of the returned labeling
Labeling Editor: Consolidate hilite buttons into single button, update documentation
Merge pull request #55 from knime-ip/LabelingEditor

Thanks @AndreasBurger !