Changed django-tastypie to install via git from known working commit

    - The upcomming version of django-tastypie will have some
      features already used by the RESTful API. Thus, we have
      to install it from github. Once, django-tastypie is
      released it will changed back to the official stable
      release.

Change-Id: Id3b361e93d61d711c7f0a3496a2ebabc19846e38

Author: a8

example/requirements.txt

@@ -1,4 +1,4 @@
 Django>=1.3
 South>=0.7.3
-django-tastypie>=0.9.9
+-e git://github.com/toastdriven/django-tastypie.git@d9c86299118b4a1db9f646018169c1c45fd065df#egg=django-tastypie
 #-e git://github.com/robhudson/django-debug-toolbar.git#egg=django-debug-toolbar