This adds multi-mote selection capabilities to the visualizer plugin:
- [Ctrl + Mouse Drag]: Rectangular selection of multiple motes
- [Ctrl + Mouse Click]: Add/Remove motes from current selection
- Mouse Drag on any selected Mote: Move all currently selected motes
Note: This changes previous behaviour of using Ctrl key.
like /tools/mspsim.
This is a very simple modification that affects a very large number of files in Contiki: Cooja,
/platform/cooja, Collect-view, Coffe-manager, and Cooja simulation files (.csc).
I've gone through Contiki to update all references I could find. Nevertheless, this commit will likely
break external dependencies, like saved Cooja simulation files.
