Update release version, notebook argument

Signed-off-by: Håkon Wiik Ånes <[email protected]>

RELEASE.rst

@@ -18,7 +18,9 @@ How to make a new release of ``kikuchipy``
   with `-rc.1` added to the version name, like v0.42.0-rc.1, merge the PR after
   all checks pass, and publish an RC release off of the release branch. See that
   it is made available via PyPI, download it with the `dev` dependencies, and
-  run the tests to make sure everything is as it should be.
+  run the tests to make sure everything is as it should be. Also check that
+  Binder can build the repository successfully by going to the Read the Docs PR
+  check in the RC PR above after the RC release.
 - Create a release draft (tag) via the GitHub repo from the release branch with
   the correct tag version name, e.g. v0.42.x and release title (see previous
   releases). Add the new release notes from the changelog. Publish the release.

doc/changelog.rst

@@ -12,8 +12,8 @@ project adheres to `Semantic Versioning <https://semver.org/spec/v2.0.0.html>`_.
 Contributors to each release are listed in alphabetical order by first name. 
 List entries are sorted in descending chronological order.
 
-Unreleased
-==========
+0.3.1 (2021-01-22)
+==================
 
 Contributors
 ------------

doc/pattern_matching.ipynb

@@ -69,7 +69,8 @@
     "import kikuchipy as kp\n",
     "\n",
     "\n",
-    "s = kp.data.nickel_ebsd_large()  # Use kp.load(\"data.h5\") to load your own data\n",
+    "# Use kp.load(\"data.h5\") to load your own data\n",
+    "s = kp.data.nickel_ebsd_large(allow_download=True)  # External download\n",
     "s"
    ]
   },

kikuchipy/release.py

@@ -34,4 +34,4 @@
 name = "kikuchipy"
 platforms = ["Linux", "MacOS X", "Windows"]
 status = "Development"
-version = "0.4.0dev"
+version = "0.3.1"