ModSelection ContextMenu cmsModSelectionOneMod is now aware if one or more mods are selected.
-  The ContextMenu switches between mod or highlighted mods buttons depending on the count of selected mods (not Nodes!)
- Several ContextMenu buttons for multi mod selection added
- Language files adjusted.
- RemoveMod will now remove the selected mods, not only the selected nodes.
- Process highlighted mods will now process the selected mods, not only the selected nodes.