fix(profiler-ui): should not fails on unfinite values
fix(profiler-ui): should not fails on unfinite values

If profiler is not correctly  calculate times ENB should not throw
error.

Now if profiler returns `NaN` or `Infinity` build fail with error:

```
TypeError: Expected a finite number
    at module.exports
(/project/node_modules/enb/node_modules/pretty-ms/index.js:8:9)
    at /project/node_modules/enb/lib/ui/profiler-ui.js:16:17
```

enb-make/enb