Update GitHub issue template

Closes gh-37

Author: rainboyan

ISSUE_TEMPLATE.md

@@ -1,4 +1,8 @@
-If you are unsure about something and the issue is more of a question a better place to ask questions is on Stack Overflow (http://stackoverflow.com/tags/grails) or Slack (http://slack-signup.grails.org). DO NOT use the issue tracker to ask questions.
+Thanks for reporting an issue for Grace plugins, please review the task list below before submitting the 
+issue. Your issue report will be closed if the issue is incomplete and the below tasks not completed.
+
+NOTE: If you are unsure about something and the issue is more of a question a better place to ask questions is on Stack Overflow (http://stackoverflow.com/tags/grace-plugins). 
+DO NOT use the issue tracker to ask questions.
 
 ### Task List
 
@@ -24,11 +28,9 @@ Tell us what happens instead
 ### Environment Information
 
 - **Operating System**: TODO
-- **Grails Version:** TODO
-- **Plugin Version:** TODO
-- **Database:** TODO
+- **Grace Version:** TODO
 - **JDK Version:** TODO
 
 ### Example Application
 
-- TODO: link to github repository with example that reproduces the issue
+- TODO: link to github repository with example that reproduces the issue