Merge branch 'beat-core-issue-80' into 'master'

Bump jsonschema to version 3.0.1

Closes beat/beat.core#80

See merge request bob/bob.conda!415

conda/beat-devel/meta.yaml

@@ -2,7 +2,7 @@
 {% set nopin = ['ca-certificates', 'certifi', 'openssl', 'libstdcxx-ng', 'libgcc-ng', 'libcxx', 'libcxxabi'] %}
 package:
   name: beat-devel
-  version: 2019.04.30
+  version: 2019.05.07
 
 build:
   # the build number must be zero all the time.
@@ -20,7 +20,7 @@ requirements:
     - flask 1.0.2
     - flask-cors 3.0.7
     - flask-restful 0.3.6
-    - jsonschema 2.6.0
+    - jsonschema 3.0.1
     - nodejs 8.9.3
     - oset 0.1.3
     - python-graphviz 0.8.4