updated pytorch to 0.4 and torchvision to 0.2 (now available in defaults conda channel)

conda/beat-devel/meta.yaml

 package:
   name: beat-devel
-  version: 2018.05.02
+  version: 2018.05.09
 
 build:
   number: 0
@@ -12,7 +12,7 @@ build:
 requirements:
   host:
     - python {{ python }}
-    - bob-devel 2018.05.02
+    - bob-devel 2018.05.09
     - requests 2.18.4
     - simplejson 3.13.2
     - pyzmq 17.0.0

conda/bob-devel/meta.yaml

 package:
   name: bob-devel
-  version: 2018.05.02
+  version: 2018.05.09
 # please update the version of beat-devel and update bob-devel's version there
 # as well in the same merge request.
 
@@ -56,7 +56,7 @@ requirements:
     - pillow 4.3.0
     - pkg-config 0.29.2
     - pyedflib 0.1.11
-    - pytorch 0.3  # [linux]
+    - pytorch 0.4  # [linux]
     - pyyaml 3.12
     - schema 0.6.7
     - scikit-learn 0.19.1
@@ -70,7 +70,7 @@ requirements:
     - sqlalchemy 1.2.6
     - tabulate 0.8.2
     - tensorflow 1.5.0  # [linux]
-    - torchvision 0.1.8  # [linux]
+    - torchvision 0.2  # [linux]
     - vlfeat 0.9.21
     - zc.buildout 2.11.2
     - zc.recipe.egg 2.0.5