update config with fsharp's ordering
update config with fsharp's ordering

```python
import json
import urllib2

swiftList = json.load(urllib2.urlopen('https://raw.githubusercontent.com/exercism/xswift/master/config.json'))
fsharpList = json.load(urllib2.urlopen('https://raw.githubusercontent.com/exercism/xfsharp/master/config.json'))

#swift Problems

swiftProblems = swiftList ['problems']
fsharpExercises = fsharpList ['exercises']

swiftExercises = []
for each in fsharpExercises:
	if each['slug'] in swiftProblems:
		swiftExercises.append(each)

print (json.dumps(swiftExercises, sort_keys=True, indent=4))

```

follow up to https://github.com/exercism/xswift/pull/185
masters3d/xswift,robtimp/xswift,masters3d/xswift,robtimp/xswift,exercism/xswift,exercism/xswift,exercism/xswift,robtimp/xswift,masters3d/xswift