util  Check-in [2a975fabe3]

Modified newtab.c from [bf8e7ec053] to [2cfcd5a554].

    11     11    *    running and i just want a new goddamn tab. it
    12     12    *    turns out, qutebrowser publishes an inane IPC
    13     13    *    mechanism, in which JSON (i know!!) written to a
    14     14    *    unix domain socket (I KNOW) can send signals to
    15     15    *    a running qutebrowser process. newtab checks if
    16     16    *    there's a running qutebrowser process and sends
    17     17    *    the appropriate IPC signal if so. otherwise, it
    18         - *    execs a new qutebrowser instance.
           18  + *    forks off a new qutebrowser instance and returns
           19  + *    an exit status of 1.
    19     20    *
    20     21    *    it takes a single argument, the URI of a page to
    21     22    *    navigate to. if launched without an argument,
    22     23    *    newtab simply opens a blank new tab. simple
    23     24    *    enough, right? but why write it in C? to talk to
    24     25    *    a goddammned python application, of all things?
    25     26    *    well, i was originally going to do this in a