[tor-bugs] #10742 [Metrics Website]: Handle non-Tor versions correctly in metrics graphs

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#10742: Handle non-Tor versions correctly in metrics graphs
-----------------------------+-------------------------
 Reporter:  karsten          |          Owner:  karsten
     Type:  defect           |         Status:  new
 Priority:  minor            |      Milestone:
Component:  Metrics Website  |        Version:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
-----------------------------+-------------------------
 sysrqb notes that https://metrics.torproject.org/network.html#versions
 only shows Tor versions and omits, for example, node-Tor relays.  In fact,
 servers.csv does list node-Tor relays, but in a broken way:

 {{{
 2014-01-23,,,-Tor,,,3,
 2014-01-23,,,0.2.2,,,306,
 2014-01-23,,,0.2.3,,,2289,
 2014-01-23,,,0.2.4,,,2382,
 2014-01-23,,,0.2.5,,,100,
 }}}

 Two things need fixing here:

  * servers.csv should contain the number of "Other" versions if a version
 string does not begin with "Tor "; rather than simply cut off the first 4
 characters.

  * The graph should contain a line for "Other" versions; rather than
 simply omit them.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10742>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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