include reward in metrics on wrapper

[RafalSkolasinski]

What this PR does / why we need it:

It makes sure that reward metrics is recorded when model's send-feedback is hit.

Which issue(s) this PR fixes:

Closes #2115

Special notes for your reviewer:

• adds SELDON_EXECUTOR_ENABLED environmental variable on the wrapper
• fixes custom metrics tags (keep wrong ones until 1.3 for compatibility reasons)

Does this PR introduce a user-facing change?:

[seldondev]

Thu Jul 16 22:09:45 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-2150/2.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=2

[seldondev]

Thu Jul 16 22:09:48 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-2150/1.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=1

[seldondev]

Fri Jul 17 15:01:36 UTC 2020
The logs for [lint] [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-2150/4.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=4

[seldondev]

Fri Jul 17 15:01:39 UTC 2020
The logs for [pr-build] [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-2150/3.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=3

[RafalSkolasinski]

/test notebooks
/test integration

[seldondev]

Fri Jul 17 15:27:51 UTC 2020
The logs for [notebooks] [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-2150/5.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=5

[seldondev]

Fri Jul 17 15:27:54 UTC 2020
The logs for [integration] [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-2150/6.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=6

[axsaucedo]

/test integration
/test notebooks

[seldondev]

Fri Jul 17 18:18:21 UTC 2020
The logs for [notebooks] [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-2150/7.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=7

[seldondev]

Fri Jul 17 18:20:16 UTC 2020
The logs for [integration] [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-2150/8.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=8

[RafalSkolasinski]

Rebased onto master. Triggering tests to verify if we have flakiness or not (tests passed before).

/test notebooks
/test integration

[seldondev]

Tue Jul 21 10:29:09 UTC 2020
The logs for [lint] [10] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2150/10.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=10

[seldondev]

Tue Jul 21 10:29:43 UTC 2020
The logs for [pr-build] [9] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2150/9.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=9

[seldondev]

Tue Jul 21 10:29:47 UTC 2020
The logs for [integration] [12] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2150/12.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=12

[seldondev]

Tue Jul 21 10:29:55 UTC 2020
The logs for [notebooks] [11] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2150/11.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2150 --build=11

[axsaucedo]

/approve

[seldondev]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: axsaucedo

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [axsaucedo]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment