Changed the implementation to support Fluentd v0.14
- added minimum dependency for Fluentd v0.14
- changed the implementation to support Fluentd v0.14 API
Note: This is a breaking change for Fluentd v0.12 users hence the update to the minor version
Changed the implementation to support Fluentd v0.14
Note: This is a breaking change for Fluentd v0.12 users hence the update to the minor version