doc: Update vtctl reference.
doc: Update vtctl reference.

dcadevil/vitess,pivanof/vitess,erzel/vitess,tinyspeck/vitess,mapbased/vitess,vitessio/vitess,tinyspeck/vitess,enisoc/vitess,dumbunny/vitess,tirsen/vitess,dumbunny/vitess,vitessio/vitess,pivanof/vitess,dcadevil/vitess,tirsen/vitess,mahak/vitess,pivanof/vitess,alainjobart/vitess,alainjobart/vitess,dumbunny/vitess,HubSpot/vitess,HubSpot/vitess,alainjobart/vitess,dcadevil/vitess,mapbased/vitess,sougou/vitess,pivanof/vitess,davygeek/vitess,applift/vitess,rnavarro/vitess,sougou/vitess,HubSpot/vitess,erzel/vitess,mapbased/vitess,vitessio/vitess,applift/vitess,tinyspeck/vitess,rnavarro/vitess,rnavarro/vitess,tinyspeck/vitess,alainjobart/vitess,tirsen/vitess,applift/vitess,applift/vitess,vitessio/vitess,mattharden/vitess,vitessio/vitess,mahak/vitess,dcadevil/vitess,mapbased/vitess,dcadevil/vitess,sougou/vitess,enisoc/vitess,mahak/vitess,erzel/vitess,rnavarro/vitess,davygeek/vitess,applift/vitess,sougou/vitess,sougou/vitess,sougou/vitess,erzel/vitess,davygeek/vitess,dumbunny/vitess,davygeek/vitess,dcadevil/vitess,rnavarro/vitess,erzel/vitess,tirsen/vitess,mahak/vitess,tirsen/vitess,mapbased/vitess,mapbased/vitess,enisoc/vitess,rnavarro/vitess,enisoc/vitess,alainjobart/vitess,applift/vitess,vitessio/vitess,enisoc/vitess,mattharden/vitess,enisoc/vitess,applift/vitess,applift/vitess,mapbased/vitess,mattharden/vitess,mattharden/vitess,mapbased/vitess,erzel/vitess,tinyspeck/vitess,dumbunny/vitess,erzel/vitess,mahak/vitess,sougou/vitess,tirsen/vitess,mahak/vitess,dumbunny/vitess,dumbunny/vitess,mattharden/vitess,tinyspeck/vitess,erzel/vitess,mattharden/vitess,pivanof/vitess,mahak/vitess,pivanof/vitess,mapbased/vitess,applift/vitess,dumbunny/vitess,HubSpot/vitess,rnavarro/vitess,davygeek/vitess,erzel/vitess,rnavarro/vitess,enisoc/vitess,dumbunny/vitess,mapbased/vitess,mahak/vitess,pivanof/vitess,HubSpot/vitess,pivanof/vitess,mattharden/vitess,applift/vitess,vitessio/vitess,alainjobart/vitess,mattharden/vitess,dumbunny/vitess,alainjobart/vitess,HubSpot/vitess,mattharden/vitess,mattharden/vitess,davygeek/vitess,pivanof/vitess,erzel/vitess,tirsen/vitess,davygeek/vitess,dcadevil/vitess,HubSpot/vitess,tinyspeck/vitess,sougou/vitess,alainjobart/vitess,rnavarro/vitess,tirsen/vitess,HubSpot/vitess,vitessio/vitess,tirsen/vitess