[view] - Remove unnecesary 'assert' library. Rename onremove method to _onremove to not collision with the FormView onremove method.
[header] - Remove unnecesary 'render' dependency
[participants] - Separate participants-box into two separate components: one for holding the box and another one for each participant bubble #282
Merge pull request #494 from DemocracyOS/refactor-participants-box

Refactor participants box