allow ticket property config

[jasonmacgowan]

Summary

The ticket that is created to review the SDL Checklist ticket should be configurable and not hardcoded.

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

The following point can be removed after setting up CI (such as Travis) with coverage reports (such as Codecov)

• I've written tests to cover the new code and functionality included in this PR.

The following point can be removed after setting up a CLA reporting tool such as cla-assistant.io

• I've read, agree to, and signed the Contributor License Agreement (CLA).

[fyunaz]

Similar like the previous PR. Are you able to visit the following URL to sign the CLA? https://cla-assistant.io/slackhq/goSDL?pullRequest=18

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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