Kfp-tekton

* Tekton 0.25.0 support (626)
* Parallelism support for Pipeline Loop (589, 592)
* Inline taskSpec support for Parallel Loop and user custom task definition. (633, 636, 658)
* Extend KFP-Tekton Run API to create recursive pipeline loop resources (512, 674)
* Add Tekton 0.25.0 graceful termination API on KFP-Tekton. (631)
* Enhance any sequencer, recursive loop, and custom task on conditional pipelines. (587, 635, 650)
* Pipeline loop CLI validation on Pipeline loop resources and inline taskSpec. (614)

* Rebase to KFP 1.5.0 (555, 513)
* Support graph recursion for KFP on Tekton (515, 556)
* Support Tekton custom task definition on KFP (478, 526, 528, 544)
* KFP Caching are enabled by default now and configurable from the server side. (507, 537, 576)
* Add support for Tekton pipelineRun scope metadata configuration (487)
* Support Versioning for Tekton loop resources and enhance nested loop usage (484, 485, 491, 495, 523)
* Support new Tekton pipelineRun status: PipelineRunStopping (545)
* Add condition and custom task support for any-sequencer (539, 557, 583)
* Add condition support for custom tasks (478, 564, 579)

* Custom task loops that support Dynamic parameters and loops with conditions (440, 452, 455, 456)
* Tekton 0.21.0 API support for dynamic parameter passing to custom task and finally conditions (476)
* Preview for Caching support on Tekton (424)
* Rebased to KFP 1.4.0 (481)
* Added End to End testing with IBM Cloud (459, 466, 472)

* New feature: Any sequencer. When any one of the task dependencies complete successfully, the dependent task will be started. (399, 401, 414)
* Enhance Tekton variables: Properly convert Tekton Context variables as pipeline/task parameters. (421)
* Rebase to KFP 1.3.0 (423)
* Bugs fixes on nested condition and added golang tests. (400, 404, 395, 403)
* Tekton 0.20.1 support. (428)

Support Tekton 0.16.3 features (321)
Migrate Tekton conditions to Tekton whenExpression (321) (328)
Support more Tekton context variables such as pipeline UID (321)
Support task wise metadata on Tekton (321)
Allow task wise display name annotations (383)
UI supports both Tekton conditions and whenExpressions (328) (373)
Add Safari browser support (369)

Enables support for standalone installation, logging API, UI support for retrieving archived logs, dynamic PVC creation for big data passing, customizable S3 endpoint, better SDK documentation etc. Rebased on KFP v1.0.4

- Add KFP Tekton release deployment yaml (347)
- Migrated to Kubeflow pipeline v1.0.4 (337)
- Logging API from the api-server (299)
- UI able to retrieve the archive logs and the api-server logging API (305)
- Big data passing now can dynamically create PVC (309)
- Admin can provide customizable container spec for processing artifacts. (336)
- Add s3 endpoint instructions for admin use case (323)
- Updated SDK instructions (358)