Merge pull request #450 from timss/gh-templates

Add basic Github issue template

Author: gkatsev

ISSUE_TEMPLATE.md

@@ -0,0 +1,25 @@
+##### Issue type:
+
+<!-- Pick one and delete the rest -->
+- Bug report
+- Feature request
+- Version compatibility
+
+##### Version:
+
+```
+<!-- (Paste the output of `:version` here) -->
+```
+
+##### Description:
+
+<!-- Explain the issue in detail -->
+
+##### Expected behavior:
+
+<!-- What did you expect or want to happen? -->
+
+##### Steps to reproduce:
+
+<!-- Include if relevant -->
+