Merge pull request #350 from harmony-one/LeoHChen-pull-request-template

Create PULL_REQUEST_TEMPLATE.md

> In a seperate question: Jenkins is failing.

it passed in the second try.

PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,19 @@
+## Issue
+
+<!-- link to the issue number or description of the issue -->
+
+## Test
+
+#### Test Coverage Data
+
+<!-- run 'go test -cover' in the directory you made change -->
+
+* Before
+* After
+
+#### Test/Run Logs
+
+<!-- links to the test/run log, or copy&paste part of the log if it is too long -->
+<!-- or you may just create a [gist](https://gist.github.com/) and link the gist here -->
+
+## TODO