Updated Eve to 0.6.3

This also updates Cerberus to 0.9.2 and simplejson to 3.8.2.

I've also changed the way we get to the application object, by replacing
   from application import app
with
   from flask import current_app

tests/test_project_management.py

@@ -41,15 +41,21 @@ class ProjectCreationTest(AbstractProjectTest):
     def test_project_creation_good_role(self):
         user_id = self._create_user_with_token([u'subscriber'], 'token')
         resp = self._create_project(u'Prøject El Niño', 'token')
-
         self.assertEqual(201, resp.status_code)
-        project = json.loads(resp.data.decode('utf-8'))
-        project_id = project['_id']
+
+        # The response of a POST is not the entire document, just some _xxx fields.
+        project_info = json.loads(resp.data.decode('utf-8'))
+        project_id = project_info['_id']
 
         # Test that the Location header contains the location of the project document.
         self.assertEqual('http://localhost/projects/%s' % project_id,
                          resp.headers['Location'])
 
+        # Actually get the project.
+        resp = self.client.get(resp.headers['Location'])
+        project = json.loads(resp.data.decode('utf-8'))
+        project_id = project['_id']
+
         # Check some of the more complex/interesting fields.
         self.assertEqual(u'Prøject El Niño', project['name'])
         self.assertEqual(str(user_id), project['user'])
@@ -82,8 +88,11 @@ class ProjectEditTest(AbstractProjectTest):
         from application.utils import remove_private_keys, PillarJSONEncoder
         dumps = functools.partial(json.dumps, cls=PillarJSONEncoder)
 
-        project = self._create_user_and_project([u'subscriber'])
-        project_url = '/projects/%(_id)s' % project
+        project_info = self._create_user_and_project([u'subscriber'])
+        project_url = '/projects/%(_id)s' % project_info
+
+        resp = self.client.get(project_url)
+        project = json.loads(resp.data.decode('utf-8'))
 
         # Create another user we can try and assign the project to.
         other_user_id = 'f00dd00df00dd00df00dd00d'
@@ -133,8 +142,11 @@ class ProjectEditTest(AbstractProjectTest):
         from application.utils import remove_private_keys, PillarJSONEncoder
         dumps = functools.partial(json.dumps, cls=PillarJSONEncoder)
 
-        project = self._create_user_and_project([u'subscriber', u'admin'])
-        project_url = '/projects/%(_id)s' % project
+        project_info = self._create_user_and_project([u'subscriber', u'admin'])
+        project_url = '/projects/%(_id)s' % project_info
+
+        resp = self.client.get(project_url)
+        project = json.loads(resp.data.decode('utf-8'))
 
         # Create another user we can try and assign the project to.
         other_user_id = 'f00dd00df00dd00df00dd00d'
@@ -152,6 +164,7 @@ class ProjectEditTest(AbstractProjectTest):
         put_project['category'] = 'software'
         put_project['user'] = other_user_id
 
+
         resp = self.client.put(project_url,
                                data=dumps(put_project),
                                headers={'Authorization': self.make_header('token'),