Change sort order for reviewers/authors in filter dropdown

Previously it was sorted by last name, which did not always make sense.
Canged to sort by first name, which hopefully makes more sense.

Per request from Alvaro Herrera and others.

Author: mhagander

pgcommitfest/commitfest/forms.py

@@ -28,7 +28,7 @@ def __init__(self, cf, *args, **kwargs):
 		self.fields['status'] = forms.ChoiceField(choices=c, required=False)
 
 		q = Q(patch_author__commitfests=cf) | Q(patch_reviewer__commitfests=cf)
-		userchoices = [(-1, '* All'), (-2, '* None'), (-3, '* Yourself') ] + [(u.id, '%s %s (%s)' % (u.first_name, u.last_name, u.username)) for u in User.objects.filter(q).distinct().order_by('last_name', 'first_name')]
+		userchoices = [(-1, '* All'), (-2, '* None'), (-3, '* Yourself') ] + [(u.id, '%s %s (%s)' % (u.first_name, u.last_name, u.username)) for u in User.objects.filter(q).distinct().order_by('first_name', 'last_name')]
 		self.fields['author'] = forms.ChoiceField(choices=userchoices, required=False)
 		self.fields['reviewer'] = forms.ChoiceField(choices=userchoices, required=False)