Update performance script.
Update performance script.

The output didn't fit in 80 columns, now it does.

fromBuffer      | toBuffer        | isValid         | (ops/sec)
---------:      | -------:        | ------:         | ---------
8,383,119       | 2,917,021       | 16,307,661      | ArrayInt.avsc
1,192,493       | 630,625         | 15,253,174      | ArrayString.avsc
2,897,390       | 1,817,843       | 5,126,495       | Bytes.avsc
267,285         | 178,830         | 487,446         | Cake.avsc
1,035,518       | 373,713         | 1,769,862       | Coupon.avsc
10,251,579      | 2,855,709       | 28,280,503      | Double.avsc
22,270,888      | 2,264,624       | 5,749,952       | Enum.avsc
877,848         | 470,910         | 722,146         | HistoryItem.avsc
1,125,627       | 686,978         | 2,698,216       | Human.avsc
13,403,645      | 3,322,685       | 27,752,805      | Int.avsc
11,062,867      | 3,079,200       | 18,976,223      | Long.avsc
110,549         | 72,001          | 159,303         | PciEvent.avsc
6,246,201       | 1,946,585       | 4,536,600       | Person.avsc
2,657,410       | 1,113,386       | 3,359,877       | ProtobufTest.avsc
4,031,838       | 1,530,072       | 17,375,986      | String.avsc
56,733          | 24,221          | 75,371          | Tile.avsc
5,552,298       | 1,804,720       | 8,375,004       | Union.avsc
508,358         | 241,521         | 497,627         | User.avsc

[ci skip]

mtth/avsc,mtth/avsc,mtth/avsc,mtth/avsc,mtth/avsc