Version 1.0.37 release

- Added blacklist to optionally block comments from certain users (or,
more importantly bots)
- Added notifications when assigned a PR
- Added option to log to device console for error reporting
- Improved sharing options, will be especially useful in iOS 8
- Added incremental back-off for requests which return a 400+ code
- Better management of repo queries, less queries needed on startup,
but also ensuring that repos with no events are checked at least once
an hour