Sean

server: use uncaughtErrorLevel

2

## Description of the change Server: Fix unhandled errors so that they are logged at `uncaughtErrorLevel`. ## Type of change - [x] Bug fix (non-breaking change that fixes an issue)...

The documentation mentions how to create a reward rule, but it doesn't mention any way to update or delete a reward rule: https://github.com/BranchMetrics/branch-deep-linking-public-api/blob/da31d84126b7e1ddb8324e13cb14bee8b05fa0e3/README.md#creating-a-dynamic-reward-rule

- Travis no longer requires the `secure` subdomain for HTTPS - `process.exit()` was removed from example in 4e86f01c3f32d0bac2f5f9dcf5afae5c63b5ec8f