Allow tensorflow protocol explanations

[ukclivecox]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #2185

Special notes for your reviewer:

• Also changes tensorflow http server to all <model_name>:predict as before only allowed <model_name>/:predict
• Also fixes some typos that crept in for protocol_examples and seldon_setup notebooks

Does this PR introduce a user-facing change?:

NONE

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[seldondev]

Thu Jul 23 18:12:28 UTC 2020
The logs for [lint] [2] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/2.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=2

[seldondev]

Thu Jul 23 18:12:31 UTC 2020
The logs for [pr-build] [1] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/1.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=1

[axsaucedo]

Notebooks look good! ADded a couple of points / questions but other than that looks good to go

[axsaucedo]

/test integration
/test notebooks

[seldondev]

Thu Jul 23 18:20:22 UTC 2020
The logs for [notebooks] [3] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/3.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=3

[seldondev]

Thu Jul 23 18:20:34 UTC 2020
The logs for [integration] [4] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/4.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=4

[ukclivecox]

/test this

[seldondev]

Thu Jul 23 18:42:37 UTC 2020
The logs for [pr-build] [5] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/5.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=5

[seldondev]

Fri Jul 24 10:46:19 UTC 2020
The logs for [pr-build] [6] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/6.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=6

[seldondev]

Fri Jul 24 10:46:23 UTC 2020
The logs for [lint] [7] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/7.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=7

[axsaucedo]

/approve

[seldondev]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: axsaucedo

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[ukclivecox]

/test this

[seldondev]

Fri Jul 24 11:14:15 UTC 2020
The logs for [pr-build] [8] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2188/8.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2188 --build=8