[upstream] Update Relevant Actors Module

Removed slides that were less valuable to students and added more
helpful exercises. Renamed the section to make the name better fit
the content. Since this module is more focused on Stackalytics, 'Metrics'
is a more related title than 'Relevant Actors'.

Change-Id: If448627a5c78747cdc60ec712ae4093bcdcee07b

doc/upstream-training/source/slides/howitsmade-metrics.rst

@@ -1,6 +1,6 @@
-===============
-Relevant actors
-===============
+=======
+Metrics
+=======
 
 .. image:: ./_assets/os_background.png
    :class: fill
@@ -55,24 +55,18 @@ Relevance metrics
 
 .. image:: ./_assets/02-02-relevance-metrics.png
 
-Company snapshot
-================
-
-.. image:: ./_assets/02-03-company-snapshot.png
-  :width: 100%
-
-Individual snapshot
-===================
-
-.. image:: ./_assets/02-04-individual-snapshot.png
-  :width: 100%
-
 Module contributors
 ===================
 
 .. image:: ./_assets/02-05-module-contributors.png
   :width: 95%
 
+Exercise 1
+==========
+Look up the project you are most interested in and find the three most active
+core reviewers (people that would be good to know for review help and getting
+your patches merged).
+
 Module - more views
 ===================
 
@@ -98,20 +92,8 @@ http://activity.openstack.org
 .. image:: ./_assets/02-08-activity-metrics.png
   :width: 100%
 
-Your management
-===============
+Exercise 2
+==========
 
-.. image:: ./_assets/02-06-your-management.jpg
-  :width: 55%
-
-.. note::
-
-  - https://en.wikipedia.org/wiki/Christine_Lagarde
-
-Exercise
-========
-
-- List three companies and individuals that have been the most influential in
-  the making of the module you plan to contribute to, for each metric value.
-- Discuss which metrics are more or less influential to make a module
-  vitalize and successful.
+For the cores you found earlier, figure out what time zone they
+are probably in.

doc/upstream-training/source/slides/slide-index.rst

@@ -24,7 +24,7 @@ How OpenStack is Made
 
    howitsmade-official-projects.rst
    howitsmade-design-summit.rst
-   howitsmade-relevant-actors.rst
+   howitsmade-metrics.rst
    howitsmade-release-cycle.rst
    howitsmade-technical-committee.rst
    howitsmade-irc-meetings.rst

doc/upstream-training/source/website/index.rst

@@ -108,7 +108,7 @@ How OpenStack is Made
 
 * `Official OpenStack projects <howitsmade-official-projects.html>`_
 * `OpenStack Design Summit <howitsmade-design-summit.html>`_
-* `Relevant actors <howitsmade-relevant-actors.html>`_
+* `Metrics <howitsmade-metrics.html>`_
 * `Release cycle <howitsmade-release-cycle.html>`_
 * `OpenStack Governance <howitsmade-technical-committee.html>`_
 * `IRC meetings <howitsmade-irc-meetings.html>`_