Issue-3372

[westford14]

What this PR does / why we need it:

This PR address #3372 and also cleans up some of the some of the requirements.txt files as well. The en_core_web_sm installation was not working and has to be explicitly linked to the location of the tar.gz file in Spacy's repo.

Which issue(s) this PR fixes:

Fixes #3372

Special notes for your reviewer:

This is my first time contributing, so let me know if this looks okay.

Does this PR introduce a user-facing change?: Yes

* Added clearer instructions in the Kubeflow README.md file 
* Fixed broken installations in pipeline steps 

[seldondev]

Hi @westford14. Thanks for your PR.

I'm waiting for a SeldonIO or todo member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[westford14]

/assign @SachinVarghese

[axsaucedo]

Looks good, thanks for the contribution @westford14
/approve

[seldondev]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: axsaucedo

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