killbill-memoizeit

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+## How to contribute to Kill Bill
+
+**Do not open up a GitHub issue before reaching out to our [Mailing-List](https://groups.google.com/forum/#!forum/killbilling-users)**. GitHub issues are primarily intended for tracking bug reports and fixes by the core team.
+
+#### **Did you find a bug?**
+
+In your [Mailing-List](https://groups.google.com/forum/#!forum/killbilling-users) post, specify:
+
+* Step by step description on how to reproduce the issue
+* [Account data dump](https://github.com/killbill/killbill/wiki/Production-troubleshooting#exporting-account-data) of an affected account
+* [System and Kill Bill information](https://github.com/killbill/killbill/wiki/Production-troubleshooting#exporting-system-information)
+
+#### **Do you intend to add a new feature or change an existing one?**
+
+Do not open an issue or pull request on GitHub until you have collected positive feedback about the change on the [Mailing-List](https://groups.google.com/forum/#!forum/killbilling-users).
+
+When submitting code, make sure to add [new tests](https://github.com/killbill/killbill/wiki/Navigating-the-Kill-Bill-codebase).
+
+#### **Do you want to contribute to the Kill Bill documentation?**
+
+Open a pull request on GitHub in the [killbill-docs](https://github.com/killbill/killbill-docs) repository.