Add the PR template to the repository.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,27 @@
+Thank you for submitting a contribution to Apache NiFi - MiNiFi.
+
+In order to streamline the review of the contribution we ask you
+to ensure the following steps have been taken:
+
+### For all changes:
+- [ ] Is there a JIRA ticket associated with this PR? Is it referenced 
+     in the commit message?
+
+- [ ] Does your PR title start with MINIFI-XXXX where XXXX is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character.
+
+- [ ] Has your PR been rebased against the latest commit within the target branch (typically master)?
+
+- [ ] Is your initial contribution a single, squashed commit?
+
+### For code changes:
+- [ ] Have you ensured that the full suite of tests is executed via mvn -Pcontrib-check clean install at the root nifi-minifi folder?
+- [ ] Have you written or updated unit tests to verify your changes?
+- [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under [ASF 2.0](http://www.apache.org/legal/resolved.html#category-a)? 
+- [ ] If applicable, have you updated the LICENSE file, including the main LICENSE file under minifi-assembly?
+- [ ] If applicable, have you updated the NOTICE file, including the main NOTICE file found under minifi-assembly?
+
+### For documentation related changes:
+- [ ] Have you ensured that format looks appropriate for the output in which it is rendered?
+
+### Note:
+Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.

pom.xml

@@ -777,6 +777,7 @@ limitations under the License.
                         <exclude>nbactions.xml</exclude> <!-- courtesy excludes for netbeans users -->
                         <exclude>DEPENDENCIES</exclude> <!-- auto generated file by apache's maven config while building sources.zip -->
                         <exclude>.travis.yml</exclude> <!-- Travis CI Build Descriptor File -->
+                        <exclude>.github/PULL_REQUEST_TEMPLATE.md</exclude> <!-- PR Template for GitHub that does not have a mechanism of including comments -->
                     </excludes>
                 </configuration>
                 <dependencies>