Round corner for node in Legend
Remove timer from display
Remove timeout

As we changed the channel property from deletion channel
to erasure channel, timeout is no more necessary.
Move values to right slightly
Reduce code for Node by moving them to GbnNode
Refactor

* Add comments
* Rename variables
* Prefix private-intended members with underscore `_'
* Make CircularBuffer#toString feel like Array#toString
* Remove setClock and setLink methods and make those to be set from
  constructors
* Remove tests that is not necessary anymore
* Remove unused Bootstrap script
* Remove unused code
* Simplify code for GbnNode
Merge branch 'reform'
Use == for comparing numbers
Use term message instead of data
Exclude app.js and painter.js from coverage
Improve test coverage
Update value display and legend
Ignore invalid RN
Avoid term frame in user context
Update Legend
Add Bootstrap script

As it turns out, it is necessary for collapse feature
Merge branch 'reform'
Store protocol value in parameters object
Rename variables
Reorder method definitions