[info.json] Update version number and (c) date

Author: mpsonntag

nixio/info.json

@@ -1,9 +1,9 @@
 {
-    "VERSION": "1.5.1",
+    "VERSION": "1.5.2",
     "STATUS": "Release",
-    "RELEASE": "1.5.1 Release",
+    "RELEASE": "1.5.2 Release",
     "AUTHOR": "Christian Kellner, Adrian Stoewer, Andrey Sobolev, Jan Grewe, Balint Morvai, Achilleas Koutsou",
-    "COPYRIGHT": "2014-2020, German Neuroinformatics Node, Christian Kellner, Adrian Stoewer, Andrey Sobolev, Jan Grewe, Balint Morvai, Achilleas Koutsou",
+    "COPYRIGHT": "2014-2021, German Neuroinformatics Node, Christian Kellner, Adrian Stoewer, Andrey Sobolev, Jan Grewe, Balint Morvai, Achilleas Koutsou",
     "CONTACT": "[email protected]",
     "BRIEF": "Python reimplementation of NIXIO (http://g-node.github.io/nix/)",
     "HOMEPAGE": "https://github.com/G-Node/nixpy"