Bjørn Erik Pedersen 6178238a0b output: Speed up layout calculations ...

```
BenchmarkLayout-4     4883          497           -89.82%

benchmark             old allocs     new allocs     delta
BenchmarkLayout-4     18             1              -94.44%

benchmark             old bytes     new bytes     delta
BenchmarkLayout-4     1624          32            -98.03%
```

2017-03-27 15:43:56 +02:00

..

layout_test.go

output: Speed up layout calculations

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layout.go

output: Speed up layout calculations

2017-03-27 15:43:56 +02:00

outputFormat_test.go

…

outputFormat.go

…