Merge branch 'release/0.5.1'

CHANGELOG.md

+## new in jupyter-openbis-extension 0.5.1
+
+- changed jupyter-openbis-server dependency to >=0.1.2
+
 ## new in jupyter-openbis-extension 0.5.0
 
 - splitted project into jupyter-openbis-server and jupyter-openbis-extension

setup.py

@@ -23,7 +23,7 @@ setup(
     install_requires=[
         'jupyter-nbextensions-configurator',
         'jupyter',
-        'jupyter-openbis-server',
+        'jupyter-openbis-server>=0.1.2',
         'numpy',
         'tornado==5.1.1',
     ],