Remove dependencies pinning (#23)

* Remove dependencies pinning

* Fix a test

bite/telemetry/tests.py

@@ -69,4 +69,5 @@ class ApiTestCase(TestCase):
         self.assertEqual(
             response.json()['transport'], 'http')
         self.assertJSONEqual(
-            response.json()['payload'], self.payload)
+            json.dumps(response.json()['payload']),
+            json.dumps(self.payload))

requirements.txt

@@ -2,8 +2,8 @@ Django
 djangorestframework
 django-health-check
 psycopg2-binary
-paho-mqtt==1.5.0
+paho-mqtt
-asyncio-mqtt==0.5.0
+asyncio-mqtt
 PyYAML
 uritemplate
 pygments