make release-tag: Merge branch 'master' into stable

Author: csala

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Report an error that you found when using Copulas
+title: ''
+labels: bug, pending review
+assignees: ''
+
+---
+
+### Environment Details
+
+Please indicate the following details about the environment in which you found the bug:
+
+* Copulas version:
+* Python version:
+* Operating System:
+
+### Error Description
+
+<Replace this text with a description of what you were trying to get done.
+Tell us what happened, what went wrong, and what you expected to happen.>
+
+### Steps to reproduce
+
+<Replace this text with a description of the steps that anyone can follow to
+reproduce the error. If the error happens only on a specific dataset, please
+consider attaching some example data to the issue so that others can use it
+to reproduce the error.>
+
+```
+Paste the command(s) you ran and the output.
+If there was a crash, please include the traceback here.
+```