Work on the first iteration of the timeline graph
We agreed to that the first visualisation is going to be an iteration on top of the timeline graph by choke point project: http://ooniviz.chokepointproject.net/timelines.htm.
What needs to be added here is grouping of bridges based on the pluggable transport type and the distributor.
The colors that are now only either red or green need to be 4 possible colors: red (blocked), offline (orange), grey (no data), green (OK), purple (inconsistent). For the meaning of these refer to: https://trac.torproject.org/projects/tor/ticket/13565.
It should also expand and contract to show either a summary by protocol or all the bridges.