Merge branch 'master' into move-scala_repl-rule

* master:
  Move scala_test/scala_test_suite to their own file (bazel-contrib#815)
  Add a basic PR template (bazel-contrib#817)

Author: long-stripe

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,11 @@
+### Description
+<!-- Mandatory: A crisp one or two line description of your proposed change. -->
+
+
+<!-- Optional:
+  A longer explanation of your proposed changes..
+  This includes listing any breaking changes, if there are any.
+-->
+
+### Motivation
+<!-- Mandatory: A summary of why you are making this change. -->