Heka-py-raven

================
- Installation now requires a sentry protocol version to install the
raven dependency.

================
- First release compatible with heka-py 0.30 and hekad 0.4

==================

- Bumped dependency to raven 2.0.6 and implied dependency on sentry 5.0.13
- Added a DSN configuration to replace the project ID for the plugin

==================

- Updated the use of the raven client with new authentication code in
sentry 4.7.7

==================

- Initial version that leverages the raven sentry client