Make sure there's defined event in report before using it.
[fix bug 967506] Clean up comment form on successful save.
[fix bug 966977] Send an email when a user adds a comment on a NGReport.
Merge pull request #616 from glogiotatidis/967506

[fix bug 967506] Clean up comment form on successful save.
Merge pull request #613 from akatsoulas/966977

[fix bug 966977] Send an email when a user adds a comment on a NGReport.
[Fix bug 956254] Autopopulate report's location using user data.
Merge pull request #615 from johngian/956254-fix-reports-autopopulation-location

[Fix bug 956254] Autopopulate report's location using user data.