Make output paths configurable
Make output paths configurable

Paths for `dist`, `docs` and `reports` are now configurable via properties within the gruntfile:

```
// Configurable paths
config: {
  dist: 'dist',
  reports: 'reports',
  docs: 'docs'
}
```

Closes #15

micromata/bootstrap-kickstart,AndBicScadMedia/bootstrap-kickstart,AndBicScadMedia/bootstrap-kickstart,micromata/bootstrap-kickstart