Update requirements.txt.

requirements.txt

@@ -1,12 +1,16 @@
-arrow==0.10.0
-dateutils==0.6.6
-gunicorn==19.7.1
+Flask==0.12.2
 HiYaPyCo==0.4.11
-numpy==1.13.3
 Pillow==4.3.0
-pipdeptree==0.10.1
-pytest-flask==0.10.0
+PyYAML==3.12
+arrow==0.10.0
+click==6.7
+lmdb==0.93
+gunicorn==19.7.1
+numpy==1.14.1
+pytest==3.2.2
+rdflib==4.2.2
+requests==2.18.4
+stompest==2.3.0
+bjoern==2.0.5
 requests-toolbelt==0.8.0
-SPARQLWrapper==1.8.0
 wheel==0.30.0a0
-