Use -e in django-wiki requirement

requirements.txt

@@ -44,5 +44,5 @@ django-ses
 django-storages
 django-threaded-multihost
 django-sekizai<0.7
-git+git://github.com/benjaoming/django-wiki.git@c145596
+-e git://github.com/benjaoming/django-wiki.git@c145596#egg=django-wiki
 -r repo-requirements.txt